diff --git a/.gitignore b/.gitignore
index 4be797b..5dae2ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,13 @@
 __pycache__
+*.egg-info
+/.coverage
+/.mxmake/
+/bin/
 /build
-*.egg-info
\ No newline at end of file
+/docs/html/
+/requirements-mxdev.txt
+/utils/3.6/
+/utils/engine.license/
+/utils/lib/
+/utils/run
+/utils/run.blend1
\ No newline at end of file
diff --git a/.isort.cfg b/.isort.cfg
new file mode 100644
index 0000000..3757f91
--- /dev/null
+++ b/.isort.cfg
@@ -0,0 +1,5 @@
+[settings]
+force_grid_wrap = 2
+multi_line_output = 3
+include_trailing_comma = false
+force_alphabetical_sort = true
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..c6a3a0f
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,5 @@
+include *.md
+recursive-include uplogic *
+recursive-exclude src *.pyc *.pyo
+prune tests
+prune docs
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..24d22a8
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,633 @@
+##############################################################################
+# THIS FILE IS GENERATED BY MXMAKE
+#
+# DOMAINS:
+#: core.base
+#: core.mxenv
+#: core.mxfiles
+#: core.packages
+#: docs.sphinx
+#: qa.coverage
+#: qa.isort
+#: qa.mypy
+#: qa.ruff
+#: qa.test
+#
+# SETTINGS (ALL CHANGES MADE BELOW SETTINGS WILL BE LOST)
+##############################################################################
+
+## core.base
+
+# `deploy` target dependencies.
+# No default value.
+DEPLOY_TARGETS?=
+
+# target to be executed when calling `make run`
+# No default value.
+RUN_TARGET?=
+
+# Additional files and folders to remove when running clean target
+# No default value.
+CLEAN_FS?=coverage_html
+
+# Optional makefile to include before default targets. This can
+# be used to provide custom targets or hook up to existing targets.
+# Default: include.mk
+INCLUDE_MAKEFILE?=include.mk
+
+# Optional additional directories to be added to PATH in format
+# `/path/to/dir/:/path/to/other/dir`. Gets inserted first, thus gets searched
+# first.
+# No default value.
+ifeq ("$(OS)", "Windows_NT")
+EXTRA_PATH?=./bin/3.6/python/bin:./bin/3.6/python/Scripts
+else
+EXTRA_PATH?=./bin/3.6/python/bin
+endif
+
+## core.mxenv
+
+# Primary Python interpreter to use. It is used to create the
+# virtual environment if `VENV_ENABLED` and `VENV_CREATE` are set to `true`.
+# Default: python3
+ifeq ("$(OS)", "Windows_NT")
+PRIMARY_PYTHON?=python
+else
+PRIMARY_PYTHON?=python3.10
+endif
+
+# Minimum required Python version.
+# Default: 3.7
+PYTHON_MIN_VERSION?=3.10
+
+# Install packages using the given package installer method.
+# Supported are `pip` and `uv`. If uv is used, its global availability is
+# checked. Otherwise, it is installed, either in the virtual environment or
+# using the `PRIMARY_PYTHON`, dependent on the `VENV_ENABLED` setting. If
+# `VENV_ENABLED` and uv is selected, uv is used to create the virtual
+# environment.
+# Default: pip
+PYTHON_PACKAGE_INSTALLER?=pip
+
+# Flag whether to use a global installed 'uv' or install
+# it in the virtual environment.
+# Default: false
+MXENV_UV_GLOBAL?=false
+
+# Flag whether to use virtual environment. If `false`, the
+# interpreter according to `PRIMARY_PYTHON` found in `PATH` is used.
+# Default: true
+VENV_ENABLED?=false
+
+# Flag whether to create a virtual environment. If set to `false`
+# and `VENV_ENABLED` is `true`, `VENV_FOLDER` is expected to point to an
+# existing virtual environment.
+# Default: true
+VENV_CREATE?=false
+
+# The folder of the virtual environment.
+# If `VENV_ENABLED` is `true` and `VENV_CREATE` is true it is used as the
+# target folder for the virtual environment. If `VENV_ENABLED` is `true` and
+# `VENV_CREATE` is false it is expected to point to an existing virtual
+# environment. If `VENV_ENABLED` is `false` it is ignored.
+# Default: .venv
+VENV_FOLDER?=.venv
+
+# mxdev to install in virtual environment.
+# Default: mxdev
+MXDEV?=mxdev
+
+# mxmake to install in virtual environment.
+# Default: mxmake
+MXMAKE?=mxmake
+
+## qa.ruff
+
+# Source folder to scan for Python files to run ruff on.
+# Default: src
+RUFF_SRC?=uplogic
+
+## qa.isort
+
+# Source folder to scan for Python files to run isort on.
+# Default: src
+ISORT_SRC?=uplogic
+
+## docs.sphinx
+
+# Documentation source folder.
+# Default: docs/source
+DOCS_SOURCE_FOLDER?=docs/source
+
+# Documentation generation target folder.
+# Default: docs/html
+DOCS_TARGET_FOLDER?=docs/html
+
+# Documentation Python requirements to be installed (via pip).
+# No default value.
+DOCS_REQUIREMENTS?=
+
+## core.mxfiles
+
+# The config file to use.
+# Default: mx.ini
+PROJECT_CONFIG?=mx.ini
+
+## core.packages
+
+# Allow prerelease and development versions.
+# By default, the package installer only finds stable versions.
+# Default: false
+PACKAGES_ALLOW_PRERELEASES?=false
+
+## qa.test
+
+# The command which gets executed. Defaults to the location the
+# :ref:`run-tests` template gets rendered to if configured.
+# Default: .mxmake/files/run-tests.sh
+TEST_COMMAND?= ./utils/run tests
+
+# Additional Python requirements for running tests to be
+# installed (via pip).
+# Default: pytest
+TEST_REQUIREMENTS?=pytest
+
+# Additional make targets the test target depends on.
+# No default value.
+TEST_DEPENDENCY_TARGETS?=
+
+## qa.coverage
+
+# The command which gets executed. Defaults to the location the
+# :ref:`run-coverage` template gets rendered to if configured.
+# Default: .mxmake/files/run-coverage.sh
+COVERAGE_COMMAND?=\
+	COVERAGE_PROCESS_START=setup.cfg \
+	./utils/run tests && \
+	coverage report && \
+	coverage html
+
+## qa.mypy
+
+# Source folder for code analysis.
+# Default: src
+MYPY_SRC?=src
+
+# Mypy Python requirements to be installed (via pip).
+# Default: types-setuptools
+MYPY_REQUIREMENTS?=types-setuptools
+
+##############################################################################
+# END SETTINGS - DO NOT EDIT BELOW THIS LINE
+##############################################################################
+
+INSTALL_TARGETS?=
+DIRTY_TARGETS?=
+CLEAN_TARGETS?=
+PURGE_TARGETS?=
+CHECK_TARGETS?=
+TYPECHECK_TARGETS?=
+FORMAT_TARGETS?=
+
+export PATH:=$(if $(EXTRA_PATH),$(EXTRA_PATH):,)$(PATH)
+
+# Defensive settings for make: https://tech.davis-hansson.com/p/make/
+SHELL:=bash
+.ONESHELL:
+# for Makefile debugging purposes add -x to the .SHELLFLAGS
+.SHELLFLAGS:=-eu -o pipefail -O inherit_errexit -c
+.SILENT:
+.DELETE_ON_ERROR:
+MAKEFLAGS+=--warn-undefined-variables
+MAKEFLAGS+=--no-builtin-rules
+
+# mxmake folder
+MXMAKE_FOLDER?=.mxmake
+
+# Sentinel files
+SENTINEL_FOLDER?=$(MXMAKE_FOLDER)/sentinels
+SENTINEL?=$(SENTINEL_FOLDER)/about.txt
+$(SENTINEL): $(firstword $(MAKEFILE_LIST))
+	@mkdir -p $(SENTINEL_FOLDER)
+	@echo "Sentinels for the Makefile process." > $(SENTINEL)
+
+##############################################################################
+# mxenv
+##############################################################################
+
+# Determine the executable path
+ifeq ("$(VENV_ENABLED)", "true")
+export VIRTUAL_ENV=$(abspath $(VENV_FOLDER))
+ifeq ("$(OS)", "Windows_NT")
+VENV_EXECUTABLE_FOLDER=$(VIRTUAL_ENV)/Scripts
+else
+VENV_EXECUTABLE_FOLDER=$(VIRTUAL_ENV)/bin
+endif
+export PATH:=$(VENV_EXECUTABLE_FOLDER):$(PATH)
+MXENV_PYTHON=python
+else
+MXENV_PYTHON=$(PRIMARY_PYTHON)
+endif
+
+# Determine the package installer
+ifeq ("$(PYTHON_PACKAGE_INSTALLER)","uv")
+PYTHON_PACKAGE_COMMAND=uv pip
+else
+PYTHON_PACKAGE_COMMAND=$(MXENV_PYTHON) -m pip
+endif
+
+MXENV_TARGET:=$(SENTINEL_FOLDER)/mxenv.sentinel
+$(MXENV_TARGET): $(SENTINEL)
+	@$(PRIMARY_PYTHON) -c "import sys; vi = sys.version_info; sys.exit(1 if (int(vi[0]), int(vi[1])) >= tuple(map(int, '$(PYTHON_MIN_VERSION)'.split('.'))) else 0)" \
+		&& echo "Need Python >= $(PYTHON_MIN_VERSION)" && exit 1 || :
+	@[[ "$(VENV_ENABLED)" == "true" && "$(VENV_FOLDER)" == "" ]] \
+		&& echo "VENV_FOLDER must be configured if VENV_ENABLED is true" && exit 1 || :
+	@[[ "$(VENV_ENABLED)$(PYTHON_PACKAGE_INSTALLER)" == "falseuv" ]] \
+		&& echo "Package installer uv does not work with a global Python interpreter." && exit 1 || :
+ifeq ("$(VENV_ENABLED)", "true")
+ifeq ("$(VENV_CREATE)", "true")
+ifeq ("$(PYTHON_PACKAGE_INSTALLER)$(MXENV_UV_GLOBAL)","uvtrue")
+	@echo "Setup Python Virtual Environment using package 'uv' at '$(VENV_FOLDER)'"
+	@uv venv -p $(PRIMARY_PYTHON) --seed $(VENV_FOLDER)
+else
+	@echo "Setup Python Virtual Environment using module 'venv' at '$(VENV_FOLDER)'"
+	@$(PRIMARY_PYTHON) -m venv $(VENV_FOLDER)
+	@$(MXENV_PYTHON) -m ensurepip -U
+endif
+endif
+else
+	@echo "Using system Python interpreter"
+endif
+ifeq ("$(PYTHON_PACKAGE_INSTALLER)$(MXENV_UV_GLOBAL)","uvfalse")
+	@echo "Install uv"
+	@$(MXENV_PYTHON) -m pip install uv
+endif
+	@$(PYTHON_PACKAGE_COMMAND) install -U pip setuptools wheel
+	@echo "Install/Update MXStack Python packages"
+	@$(PYTHON_PACKAGE_COMMAND) install -U $(MXDEV) $(MXMAKE)
+	@touch $(MXENV_TARGET)
+
+.PHONY: mxenv
+mxenv: $(MXENV_TARGET)
+
+.PHONY: mxenv-dirty
+mxenv-dirty:
+	@rm -f $(MXENV_TARGET)
+
+.PHONY: mxenv-clean
+mxenv-clean: mxenv-dirty
+ifeq ("$(VENV_ENABLED)", "true")
+ifeq ("$(VENV_CREATE)", "true")
+	@rm -rf $(VENV_FOLDER)
+endif
+else
+	@test -e $(MXENV_PYTHON) && $(PYTHON_PACKAGE_COMMAND) uninstall -y $(MXDEV) || :
+	@test -e $(MXENV_PYTHON) && $(PYTHON_PACKAGE_COMMAND) uninstall -y $(MXMAKE) || :
+endif
+
+INSTALL_TARGETS+=mxenv
+DIRTY_TARGETS+=mxenv-dirty
+CLEAN_TARGETS+=mxenv-clean
+
+##############################################################################
+# ruff
+##############################################################################
+
+RUFF_TARGET:=$(SENTINEL_FOLDER)/ruff.sentinel
+$(RUFF_TARGET): $(MXENV_TARGET)
+	@echo "Install Ruff"
+	@$(PYTHON_PACKAGE_COMMAND) install ruff
+	@touch $(RUFF_TARGET)
+
+.PHONY: ruff-check
+ruff-check: $(RUFF_TARGET)
+	@echo "Run ruff check"
+	@ruff check $(RUFF_SRC)
+
+.PHONY: ruff-format
+ruff-format: $(RUFF_TARGET)
+	@echo "Run ruff format"
+	@ruff format $(RUFF_SRC)
+
+.PHONY: ruff-dirty
+ruff-dirty:
+	@rm -f $(RUFF_TARGET)
+
+.PHONY: ruff-clean
+ruff-clean: ruff-dirty
+	@test -e $(MXENV_PYTHON) && $(MXENV_PYTHON) -m pip uninstall -y ruff || :
+	@rm -rf .ruff_cache
+
+INSTALL_TARGETS+=$(RUFF_TARGET)
+CHECK_TARGETS+=ruff-check
+FORMAT_TARGETS+=ruff-format
+DIRTY_TARGETS+=ruff-dirty
+CLEAN_TARGETS+=ruff-clean
+
+##############################################################################
+# isort
+##############################################################################
+
+ISORT_TARGET:=$(SENTINEL_FOLDER)/isort.sentinel
+$(ISORT_TARGET): $(MXENV_TARGET)
+	@echo "Install isort"
+	@$(PYTHON_PACKAGE_COMMAND) install isort
+	@touch $(ISORT_TARGET)
+
+.PHONY: isort-check
+isort-check: $(ISORT_TARGET)
+	@echo "Run isort check"
+	@isort --check $(ISORT_SRC)
+
+.PHONY: isort-format
+isort-format: $(ISORT_TARGET)
+	@echo "Run isort format"
+	@isort $(ISORT_SRC)
+
+.PHONY: isort-dirty
+isort-dirty:
+	@rm -f $(ISORT_TARGET)
+
+.PHONY: isort-clean
+isort-clean: isort-dirty
+	@test -e $(MXENV_PYTHON) && $(MXENV_PYTHON) -m pip uninstall -y isort || :
+
+INSTALL_TARGETS+=$(ISORT_TARGET)
+CHECK_TARGETS+=isort-check
+FORMAT_TARGETS+=isort-format
+DIRTY_TARGETS+=isort-dirty
+CLEAN_TARGETS+=isort-clean
+
+##############################################################################
+# sphinx
+##############################################################################
+
+# additional targets required for building docs.
+DOCS_TARGETS+=
+
+SPHINX_BIN=sphinx-build
+SPHINX_AUTOBUILD_BIN=sphinx-autobuild
+
+DOCS_TARGET:=$(SENTINEL_FOLDER)/sphinx.sentinel
+$(DOCS_TARGET): $(MXENV_TARGET)
+	@echo "Install Sphinx"
+	@$(PYTHON_PACKAGE_COMMAND) install -U sphinx sphinx-autobuild $(DOCS_REQUIREMENTS)
+	@touch $(DOCS_TARGET)
+
+.PHONY: docs
+docs: $(DOCS_TARGET) $(DOCS_TARGETS)
+	@echo "Build sphinx docs"
+	@$(SPHINX_BIN) $(DOCS_SOURCE_FOLDER) $(DOCS_TARGET_FOLDER)
+
+.PHONY: docs-live
+docs-live: $(DOCS_TARGET) $(DOCS_TARGETS)
+	@echo "Rebuild Sphinx documentation on changes, with live-reload in the browser"
+	@$(SPHINX_AUTOBUILD_BIN) $(DOCS_SOURCE_FOLDER) $(DOCS_TARGET_FOLDER)
+
+.PHONY: docs-dirty
+docs-dirty:
+	@rm -f $(DOCS_TARGET)
+
+.PHONY: docs-clean
+docs-clean: docs-dirty
+	@test -e $(MXENV_PYTHON) && $(MXENV_PYTHON) -m pip uninstall -y \
+		sphinx sphinx-autobuild $(DOCS_REQUIREMENTS) || :
+	@rm -rf $(DOCS_TARGET_FOLDER)
+
+INSTALL_TARGETS+=$(DOCS_TARGET)
+DIRTY_TARGETS+=docs-dirty
+CLEAN_TARGETS+=docs-clean
+
+##############################################################################
+# mxfiles
+##############################################################################
+
+# case `core.sources` domain not included
+SOURCES_TARGET?=
+
+# File generation target
+MXMAKE_FILES?=$(MXMAKE_FOLDER)/files
+
+# set environment variables for mxmake
+define set_mxfiles_env
+	@export MXMAKE_FILES=$(1)
+endef
+
+# unset environment variables for mxmake
+define unset_mxfiles_env
+	@unset MXMAKE_FILES
+endef
+
+$(PROJECT_CONFIG):
+ifneq ("$(wildcard $(PROJECT_CONFIG))","")
+	@touch $(PROJECT_CONFIG)
+else
+	@echo "[settings]" > $(PROJECT_CONFIG)
+endif
+
+LOCAL_PACKAGE_FILES:=$(wildcard pyproject.toml setup.cfg setup.py requirements.txt constraints.txt)
+
+FILES_TARGET:=requirements-mxdev.txt
+$(FILES_TARGET): $(PROJECT_CONFIG) $(MXENV_TARGET) $(SOURCES_TARGET) $(LOCAL_PACKAGE_FILES)
+	@echo "Create project files"
+	@mkdir -p $(MXMAKE_FILES)
+	$(call set_mxfiles_env,$(MXMAKE_FILES))
+	@mxdev -n -c $(PROJECT_CONFIG)
+	$(call unset_mxfiles_env)
+	@test -e $(MXMAKE_FILES)/pip.conf && cp $(MXMAKE_FILES)/pip.conf $(VENV_FOLDER)/pip.conf || :
+	@touch $(FILES_TARGET)
+
+.PHONY: mxfiles
+mxfiles: $(FILES_TARGET)
+
+.PHONY: mxfiles-dirty
+mxfiles-dirty:
+	@touch $(PROJECT_CONFIG)
+
+.PHONY: mxfiles-clean
+mxfiles-clean: mxfiles-dirty
+	@rm -rf constraints-mxdev.txt requirements-mxdev.txt $(MXMAKE_FILES)
+
+INSTALL_TARGETS+=mxfiles
+DIRTY_TARGETS+=mxfiles-dirty
+CLEAN_TARGETS+=mxfiles-clean
+
+##############################################################################
+# packages
+##############################################################################
+
+# additional sources targets which requires package re-install on change
+-include $(MXMAKE_FILES)/additional_sources_targets.mk
+ADDITIONAL_SOURCES_TARGETS?=
+
+INSTALLED_PACKAGES=$(MXMAKE_FILES)/installed.txt
+
+ifeq ("$(PACKAGES_ALLOW_PRERELEASES)","true")
+ifeq ("$(PYTHON_PACKAGE_INSTALLER)","uv")
+PACKAGES_PRERELEASES=--prerelease=allow
+else
+PACKAGES_PRERELEASES=--pre
+endif
+else
+PACKAGES_PRERELEASES=
+endif
+
+PACKAGES_TARGET:=$(INSTALLED_PACKAGES)
+$(PACKAGES_TARGET): $(FILES_TARGET) $(ADDITIONAL_SOURCES_TARGETS)
+	@echo "Install python packages"
+	@$(PYTHON_PACKAGE_COMMAND) install $(PACKAGES_PRERELEASES) -r $(FILES_TARGET)
+	@$(PYTHON_PACKAGE_COMMAND) freeze > $(INSTALLED_PACKAGES)
+	@touch $(PACKAGES_TARGET)
+
+.PHONY: packages
+packages: $(PACKAGES_TARGET)
+
+.PHONY: packages-dirty
+packages-dirty:
+	@rm -f $(PACKAGES_TARGET)
+
+.PHONY: packages-clean
+packages-clean:
+	@test -e $(FILES_TARGET) \
+		&& test -e $(MXENV_PYTHON) \
+		&& $(MXENV_PYTHON) -m pip uninstall -y -r $(FILES_TARGET) \
+		|| :
+	@rm -f $(PACKAGES_TARGET)
+
+INSTALL_TARGETS+=packages
+DIRTY_TARGETS+=packages-dirty
+CLEAN_TARGETS+=packages-clean
+
+##############################################################################
+# test
+##############################################################################
+
+TEST_TARGET:=$(SENTINEL_FOLDER)/test.sentinel
+$(TEST_TARGET): $(MXENV_TARGET)
+	@echo "Install $(TEST_REQUIREMENTS)"
+	@$(PYTHON_PACKAGE_COMMAND) install $(TEST_REQUIREMENTS)
+	@touch $(TEST_TARGET)
+
+.PHONY: test
+test: $(FILES_TARGET) $(SOURCES_TARGET) $(PACKAGES_TARGET) $(TEST_TARGET) $(TEST_DEPENDENCY_TARGETS)
+	@test -z "$(TEST_COMMAND)" && echo "No test command defined" && exit 1 || :
+	@echo "Run tests using $(TEST_COMMAND)"
+	@/usr/bin/env bash -c "$(TEST_COMMAND)"
+
+.PHONY: test-dirty
+test-dirty:
+	@rm -f $(TEST_TARGET)
+
+.PHONY: test-clean
+test-clean: test-dirty
+	@test -e $(MXENV_PYTHON) && $(MXENV_PYTHON) -m pip uninstall -y $(TEST_REQUIREMENTS) || :
+	@rm -rf .pytest_cache
+
+INSTALL_TARGETS+=$(TEST_TARGET)
+CLEAN_TARGETS+=test-clean
+DIRTY_TARGETS+=test-dirty
+
+##############################################################################
+# coverage
+##############################################################################
+
+COVERAGE_TARGET:=$(SENTINEL_FOLDER)/coverage.sentinel
+$(COVERAGE_TARGET): $(TEST_TARGET)
+	@echo "Install Coverage"
+	@$(PYTHON_PACKAGE_COMMAND) install -U coverage
+	@touch $(COVERAGE_TARGET)
+
+.PHONY: coverage
+coverage: $(FILES_TARGET) $(SOURCES_TARGET) $(PACKAGES_TARGET) $(COVERAGE_TARGET)
+	@test -z "$(COVERAGE_COMMAND)" && echo "No coverage command defined" && exit 1 || :
+	@echo "Run coverage using $(COVERAGE_COMMAND)"
+	@/usr/bin/env bash -c "$(COVERAGE_COMMAND)"
+
+.PHONY: coverage-dirty
+coverage-dirty:
+	@rm -f $(COVERAGE_TARGET)
+
+.PHONY: coverage-clean
+coverage-clean: coverage-dirty
+	@test -e $(MXENV_PYTHON) && $(MXENV_PYTHON) -m pip uninstall -y coverage || :
+	@rm -rf .coverage htmlcov
+
+INSTALL_TARGETS+=$(COVERAGE_TARGET)
+DIRTY_TARGETS+=coverage-dirty
+CLEAN_TARGETS+=coverage-clean
+
+##############################################################################
+# mypy
+##############################################################################
+
+MYPY_TARGET:=$(SENTINEL_FOLDER)/mypy.sentinel
+$(MYPY_TARGET): $(MXENV_TARGET)
+	@echo "Install mypy"
+	@$(PYTHON_PACKAGE_COMMAND) install mypy $(MYPY_REQUIREMENTS)
+	@touch $(MYPY_TARGET)
+
+.PHONY: mypy
+mypy: $(PACKAGES_TARGET) $(MYPY_TARGET)
+	@echo "Run mypy"
+	@mypy $(MYPY_SRC)
+
+.PHONY: mypy-dirty
+mypy-dirty:
+	@rm -f $(MYPY_TARGET)
+
+.PHONY: mypy-clean
+mypy-clean: mypy-dirty
+	@test -e $(MXENV_PYTHON) && $(MXENV_PYTHON) -m pip uninstall -y mypy || :
+	@rm -rf .mypy_cache
+
+INSTALL_TARGETS+=$(MYPY_TARGET)
+TYPECHECK_TARGETS+=mypy
+CLEAN_TARGETS+=mypy-clean
+DIRTY_TARGETS+=mypy-dirty
+
+-include $(INCLUDE_MAKEFILE)
+
+##############################################################################
+# Default targets
+##############################################################################
+
+INSTALL_TARGET:=$(SENTINEL_FOLDER)/install.sentinel
+$(INSTALL_TARGET): $(INSTALL_TARGETS)
+	@touch $(INSTALL_TARGET)
+
+.PHONY: install
+install: $(INSTALL_TARGET)
+	@touch $(INSTALL_TARGET)
+
+.PHONY: run
+run: $(RUN_TARGET)
+
+.PHONY: deploy
+deploy: $(DEPLOY_TARGETS)
+
+.PHONY: dirty
+dirty: $(DIRTY_TARGETS)
+	@rm -f $(INSTALL_TARGET)
+
+.PHONY: clean
+clean: dirty $(CLEAN_TARGETS)
+	@rm -rf $(CLEAN_TARGETS) $(MXMAKE_FOLDER) $(CLEAN_FS)
+
+.PHONY: purge
+purge: clean $(PURGE_TARGETS)
+
+.PHONY: runtime-clean
+runtime-clean:
+	@echo "Remove runtime artifacts, like byte-code and caches."
+	@find . -name '*.py[c|o]' -delete
+	@find . -name '*~' -exec rm -f {} +
+	@find . -name '__pycache__' -exec rm -fr {} +
+
+.PHONY: check
+check: $(CHECK_TARGETS)
+
+.PHONY: typecheck
+typecheck: $(TYPECHECK_TARGETS)
+
+.PHONY: format
+format: $(FORMAT_TARGETS)
diff --git a/docs/Makefile b/docs/Makefile
new file mode 100644
index 0000000..d0c3cbf
--- /dev/null
+++ b/docs/Makefile
@@ -0,0 +1,20 @@
+# Minimal makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line, and also
+# from the environment for the first two.
+SPHINXOPTS    ?=
+SPHINXBUILD   ?= sphinx-build
+SOURCEDIR     = source
+BUILDDIR      = build
+
+# Put it first so that "make" without argument is like "make help".
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+.PHONY: help Makefile
+
+# Catch-all target: route all unknown targets to Sphinx using the new
+# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
+%: Makefile
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
diff --git a/docs/make.bat b/docs/make.bat
new file mode 100644
index 0000000..747ffb7
--- /dev/null
+++ b/docs/make.bat
@@ -0,0 +1,35 @@
+@ECHO OFF
+
+pushd %~dp0
+
+REM Command file for Sphinx documentation
+
+if "%SPHINXBUILD%" == "" (
+	set SPHINXBUILD=sphinx-build
+)
+set SOURCEDIR=source
+set BUILDDIR=build
+
+%SPHINXBUILD% >NUL 2>NUL
+if errorlevel 9009 (
+	echo.
+	echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
+	echo.installed, then set the SPHINXBUILD environment variable to point
+	echo.to the full path of the 'sphinx-build' executable. Alternatively you
+	echo.may add the Sphinx directory to PATH.
+	echo.
+	echo.If you don't have Sphinx installed, grab it from
+	echo.https://www.sphinx-doc.org/
+	exit /b 1
+)
+
+if "%1" == "" goto help
+
+%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
+goto end
+
+:help
+%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
+
+:end
+popd
diff --git a/docs/source/_static/rtd_dark.css b/docs/source/_static/rtd_dark.css
new file mode 100644
index 0000000..0b401a7
--- /dev/null
+++ b/docs/source/_static/rtd_dark.css
@@ -0,0 +1,190 @@
+/*!
+ * @name          Readthedocs
+ * @namespace     http://userstyles.org
+ * @description	  Styles the documentation pages hosted on Readthedocs.io
+ * @author        Anthony Post
+ * @homepage      https://userstyles.org/styles/142968
+ * @version       0.20170529055029
+ *
+ * Modified by Aloïs Dreyfus: 20200527-1037
+ * Modified by Erik Kalkoken: 20220615
+ */
+
+/* aum added */
+@media (prefers-color-scheme: dark) {
+   
+   .caption-text {
+      color: rgb(200, 200, 200);
+   }
+   
+   a.reference.internal {
+      color: rgb(240, 240, 240) !important;
+      background-color: rgb(30, 30, 30) !important;
+   }
+
+   a.reference.internal.current {
+      color: rgb(200, 200, 200) !important;
+      background-color: rgb(50, 50, 50) !important;
+   }
+
+	.admonition {
+		background-color: #2d2d2d !important;
+	}
+
+   .admonition-title {
+      color: rgb(40, 40, 40) !important;
+   }
+   
+   .important .admonition-title {
+		background-color: #FF5A00 !important;
+   }
+
+   .warning .admonition-title  { 
+      background-color: #FF302A !important;
+   }
+
+   .seealso .admonition-title  { 
+      background-color: rgb(100, 100, 100) !important;
+   }
+
+   .nt, .nf {
+      color: lightblue !important;
+   }
+
+/* Draws a box around menuselection role. */
+/* Temporary fix for "theme(0.2.5b2)" bug: no box around 'kbd' role. */
+   .menuselection, .kbd.docutils.literal {
+   	font-size: 90%;
+   	font-weight: normal;
+         background-color: rgba(50, 50, 50, 0.65) !important;
+         color: white !important;
+         border: solid #E1E4E5 1px;
+         white-space: nowrap;
+         padding: 2px 5px;
+      }
+
+   /* 'kbd' role. */
+   .kbd.docutils.literal {
+      font-family: "Lato", "proxima-nova", 
+         "Helvetica Neue", Arial, sans-serif;
+      font-size: 85%;
+      font-weight: normal;
+      color: white !important;
+   }
+      
+   figcaption {
+      margin-top: 10px !important;
+   }   
+
+   figure {
+      margin-bottom: 5px !important;
+   }
+   
+   .wy-body-for-nav {
+      text-align: justify;
+      background-color: rgb(40, 40, 40) !important;
+   }
+   
+   h3 {
+      margin-top: 5px !important;
+   }
+
+   /* aum added end*/
+
+   /* .wy-menu-vertical li code {  */
+   /*    color: rgba(200, 200, 200, 1.0) !important;   */
+   /*  }  */
+
+   /* .wy-menu-vertical .xref { */
+   /* 	color: #2980B9 !important; */
+   /* } */
+
+   a:visited {
+      color: #bf84d8;
+   }
+
+   .rst-content .refbox .admonition-title{
+      background-color: rgb(255, 90, 00) !important;
+      color: yellow;
+   }
+
+   pre, .gh, .docutils.literal.notranslate {
+      background-color: rgb(40, 40, 40) !important;
+      color: white !important;
+   }
+
+   .wy-nav-content {
+      background-color: rgb(30, 30, 30) !important;
+      color: rgb(240, 240, 240) !important;
+   }
+
+   .method dt, .class dt, .data dt, .attribute dt, .function dt,
+   .descclassname, .descname {
+      background-color: #525252 !important;
+      color: white !important;
+   }
+
+   /* .toc-backref { */
+   /* 	background-color: blue !important; */
+   /* 	/* color: grey !important; */
+   /* } */
+
+   code.literal {
+      background-color: #2d2d2d !important;
+      border: 1px solid #6d6d6d !important;
+   }
+
+   /* .wy-nav-content-wrap { */
+   /* 	background-color: rgba(0, 0, 0, 1.0) !important; */
+   /* } */
+
+   /* .sidebar { */
+   /* 	background-color: #191919 !important; */
+   /* } */
+
+   /* .sidebar-title { */
+   /* 	background-color: #2b2b2b !important; */
+   /* } */
+
+   .xref, .py-meth {
+      color: #7ec3e6 !important;
+   }
+
+   /* .wy-side-nav-search { */
+   /* 	background-color: rgb(80, 80, 80) !important; */
+   /* 	/* background-color: inherit; */
+   /* 	/* border-bottom: 1px solid #fcfcfc; */
+   /* } */
+
+   .wy-table thead, .rst-content table.docutils thead, .rst-content table.field-list thead {
+      background-color: #b9b9b9;
+   }
+
+   .wy-table thead th, .rst-content table.docutils thead th, .rst-content table.field-list thead th {
+      color: rgb(200, 200, 200);
+      border: solid 2px #e1e4e5;
+   }
+
+   .wy-table thead p, .rst-content table.docutils thead p, .rst-content table.field-list thead p {
+      margin: 0;
+   }
+
+   .wy-table-odd td, .wy-table-striped tr:nth-child(2n-1) td, .rst-content table.docutils:not(.field-list) tr:nth-child(2n-1) td {
+      background-color: #343131;
+   }
+
+   .highlight .m {
+      color: inherit
+   }
+
+   /* Literal.Number */
+   .highlight .nv {
+      color: #3a7ca8
+   }
+
+   /* Name.Variable */
+   .rst-content .section .admonition ul {
+      margin-bottom: 0;
+   }
+
+}
diff --git a/docs/source/_static/theme_overrides.css b/docs/source/_static/theme_overrides.css
new file mode 100644
index 0000000..85015c0
--- /dev/null
+++ b/docs/source/_static/theme_overrides.css
@@ -0,0 +1,497 @@
+/*
+ * This stylesheet is applied after the theme's default one,
+ * and thus any overrides or additions can be added here.
+ *
+ * More info:
+ *   	https://www.sphinx-doc.org/en/master/extdev/appapi.html#sphinx.application.Sphinx.add_css_file
+ */
+/* aum added */
+/* --- aum dark ------------------------------------------------------------- */
+@media (prefers-color-scheme: dark) {
+/* Draws a box around menuselection & kbd & code & logic node role. */
+   .socket {
+      line-height: 4em !important;
+   }
+   .center { text-align: center; }
+   .menuselection,
+   .kbd.docutils.literal.notranslate,
+   code.docutils.literal.notranslate,
+   .ln,
+   .py {
+      font-family: "Lato", "proxima-nova", "Helvetica Neue", Arial, sans-serif !important;
+      font-size: 90% !important;
+      font-weight: normal !important;
+      background-color: #101010 !important;
+      color: white !important;
+      white-space: normal !important;
+      /* white-space: nowrap !important; */
+      padding: 2px 4px !important;
+      border: 1px solid #40a6e5 !important;
+      border-radius: 4px !important;
+   }
+   .kbd.docutils.literal.notranslate {
+      border: 1px solid #529952 !important;
+      box-shadow: none !important;
+      font-size: 90% !important;
+   }
+   .kbd.compound .docutils.notranslate {
+      border: none !important;
+      margin: -2px !important;
+      font-size: 100% !important;
+   }
+   code.docutils.literal.notranslate {
+      border: 1px solid #b97e4d !important;
+      font-size: 90% !important;
+   }
+/* --- aum : custom '.. role:: ln' --------------------------------------- */
+   .ln {
+      border: 1px solid #83314a !important;
+      background-color: transparent !important;
+      font-size: 90% !important;
+   }
+/* --- aum : custom '.. role:: py' --------------------------------------- */
+   .py {
+      border: 1px solid #ffcf3f !important;
+      background-color: transparent !important;
+      font-size: 90% !important;
+   }
+/* --- aum : custom '.. role:: py' end ----------------------------------- */
+   a.reference.internal:visited {
+      color: #999999 !important;
+   }
+   a.reference.internal:hover  {
+      color: #40a6e5 !important;
+   }
+   code.xref.docutils.literal.notranslate:hover {
+      color: #40a6e5 !important;
+   }
+   a.reference.internal {
+      color: #9f61b9 !important;
+      background-color: #1e1e1e !important;
+   }
+   a.reference.internal.current {
+      color: rgb(200, 200, 200) !important;
+      background-color: rgb(50, 50, 50) !important;
+   }
+   .caption-text {
+      color: rgb(200, 200, 200);
+   }
+   .admonition {
+   	background-color: #2d2d2d !important;
+   }
+   .admonition a.reference.internal {
+      background-color: transparent !important;
+   }
+   .admonition-title {
+      color: rgb(40, 40, 40) !important;
+   }
+   .important .admonition-title {
+      background-color: #FF5A00 !important;
+   }
+   .warning .admonition-title  { 
+      background-color: #FF302A !important;
+   }
+   .seealso .admonition-title  { 
+      background-color: rgb(100, 100, 100) !important;
+   }
+   .nt, .nf {
+      color: lightblue !important;
+   }
+   figcaption {
+      margin-bottom: -10px !important;
+      margin-top: 7px !important;
+      padding-left: 10px !important;
+      padding-right: 10px !important;
+   }
+   figure {
+      margin-bottom: -10px !important;
+      margin-top: 10px !important;
+      /*border: 1px solid #606060;*/
+      /*padding: 5px;*/
+   }
+   .wy-body-for-nav {
+      text-align: justify;
+      background-color: rgb(40, 40, 40) !important;
+   }
+   h3 {
+      margin-top: 5px !important;
+   }
+   .rst-content .refbox .admonition-title{
+      background-color: rgb(255, 90, 00) !important;
+      color: yellow;
+   }
+   pre, .gh, .docutils.literal.notranslate {
+      background-color: rgb(40, 40, 40) !important;
+      color: white !important;
+   }
+   .wy-nav-content {
+      background-color: rgb(30, 30, 30) !important;
+      color: rgb(240, 240, 240) !important;
+   }
+   .method dt, .class dt, .data dt, .attribute dt, .function dt,
+   .descclassname, .descname {
+      background-color: #525252 !important;
+      color: white !important;
+   }
+   .xref, .py-meth {
+      color: #7ec3e6 !important;
+   }
+   .wy-table thead, .rst-content table.docutils thead, .rst-content table.field-list thead {
+      background-color: #b9b9b9;
+   }
+   .wy-table thead th, .rst-content table.docutils thead th, .rst-content table.field-list thead th {
+      color: #404040;
+      border: solid 2px #e1e4e5;
+   }
+   .wy-table thead p, .rst-content table.docutils thead p, .rst-content table.field-list thead p {
+      margin: 0;
+   }
+   .wy-table-odd td, .wy-table-striped tr:nth-child(2n-1) td, .rst-content table.docutils:not(.field-list) tr:nth-child(2n-1) td {
+      background-color: #343131;
+   }
+   td a.reference.internal {
+      background-color: transparent !important;
+   }
+   .highlight .m {
+      color: inherit
+   }
+   /* Literal.Number */
+   .highlight .nv {
+      color: #3a7ca8
+   }
+   /* Name.Variable */
+   .rst-content .section .admonition ul {
+      margin-bottom: 0;
+   }
+}
+/* --- aum dark mode end --------------------------------------------------------------------------------- */
+h5 {margin-bottom: 5px}
+/* Sidebar menu links. */
+.wy-menu-vertical li.toctree-l2.current li.toctree-l3 > a:hover {background: #c0c0c0}
+.wy-menu-vertical li.toctree-l3.current li.toctree-l4 > a:hover {background: #b5b5b5}
+.wy-menu-vertical li.toctree-l4 {font-size: 1em}
+.wy-menu-vertical li.current a {border: 0}
+.wy-side-nav-search > a:hover {background: none; opacity: 0.9}
+.wy-side-nav-search > a.icon::before {content: none}
+/* 'kbd' role. */
+.kbd.docutils.literal {
+   font-family: "Lato", "proxima-nova", "Helvetica Neue", Arial, sans-serif;
+   font-size: 85%;
+   font-weight: normal;
+   color: #404040;
+}
+/* Ensure background of input fields is light color even when a local theme wants it to be dark. */
+input[type="text"],
+input[type="search"],
+input[type="password"],
+input[type="email"],
+input[type="url"],
+input[type="date"],
+input[type="month"],
+input[type="week"],
+input[type="time"],
+input[type="datetime"],
+input[type="datetime-local"],
+input[type="number"],
+input[type="tel"],
+input[type="color"] {
+   background-color:#FCFCFC;
+}
+/* Fixes overlay of "align-right" images on block. */
+/* aum : does not work as expected ; workaround - move admonitions to the bottom of text */
+.rst-content .admonition {overflow: auto}
+/* Boxed paragraphs. */
+.rst-content .refbox .admonition-title {background-color: #bbb}
+.rst-content .refbox {
+   -webkit-font-smoothing: antialiased;
+   background-color: #e3e3e3;
+   line-height: 24px;
+   margin-bottom: 24px; padding: 12px;
+}
+.rst-content .seealso .admonition-title {background-color: #7a87e6}
+.rst-content .seealso {background-color: #e7ebfa}
+.rst-content .important .admonition-title {background-color: #ddca3b}
+.rst-content .important {background-color: #f6f3a5}
+/* refbox =, seealso ( > ), note ( i ), tip i , hint (+), warn / ! \ */
+.refbox .admonition-title::before {content:"\f00b"}
+.seealso .admonition-title::before{content:"\f138"}
+.note .admonition-title::before{content:"\f05a"}
+.tip .admonition-title::before{content:"\f129"; width: 0.75em; text-align: center}
+.hint .admonition-title::before{content:"\f055"}
+.warning .admonition-title::before{content:"\f071"}
+/* 'refbox' field. */
+.refbox .field-list .field-name, .refbox .field-list .field-body {
+   padding: 0px;
+}
+.refbox dl dt {font-weight: normal}
+/* Ugly 'red' literals. */
+.rst-content tt.literal, .rst-content tt.literal, .rst-content code.literal {
+   color:#606060;
+}
+/* Literal blocks that use too much padding, make them look like regular literals. */
+/*
+.rst-content pre.literal-block {
+   font-size: 75%;
+   margin:0;
+   padding:2px 4px;
+   color:#404040;
+   background: #ffffff;
+   white-space: normal;
+   display: inline;
+} */
+/* Fix definitions with different ids. */
+.rst-content dl.simple {
+   margin-bottom: 0px;
+}
+/* Fix nested block spacing. */
+.rst-content .document dl dt,
+.rst-content dd dl,
+.rst-content dl.field-list dd > p {
+   margin: 0;
+}
+/* Dont indent field lists */
+.rst-content dl.field-list dt {
+   padding-left: 0 !important;
+}
+/* Fix padding for normal definitions nested in field lists */
+.rst-content dl.field-list dd > dl.simple {
+   padding-top: 12px;
+}
+/* Without this, paragraphs in bullet points within definition lists have too much vertical padding. */
+.rst-content li > p {
+   margin-bottom: 0px !important;
+}
+/* TABLE & FIGURE */
+/* Moves captions to bottom. */
+table {caption-side: bottom}
+/* captions text style */
+.rst-content .figure .caption,
+.rst-content table.docutils caption,
+.rst-content table.field-list caption {
+   font: italic 90%/18px Lato, proxima-nova, 'Helvetica Neue', Arial, sans-serif;
+   color: #808080;
+}
+/* Captions top padding. */
+.rst-content .figure .caption { margin: 4px;  }
+.rst-content table.docutils caption { padding: 0.5em; }
+/* Text word wrap. */
+.wy-table-responsive table td,
+.wy-table-responsive table th { white-space: normal; }
+/* Cell's vertical align. */
+/* use "valign" class for middle align. */
+.rst-content table.docutils:not(.valign) td { vertical-align: baseline; }
+/* Field list align. */
+.rst-content table.field-list td { padding-top: 8px; }
+/* Perma-link to table, hide until hover. */
+.rst-content table.docutils caption .headerlink { visibility: hidden; }
+.rst-content table.docutils caption:hover .headerlink { visibility: visible; }
+/* Table header cells border color. */
+.rst-content table.docutils th { border-color: #e1e4e5; }
+/* Figure in table margin. */
+.rst-content td div.figure {
+   margin-top: 4px; margin-bottom: 0;
+}
+/* Figure legend. */
+.legend {
+   font-size: 90%;
+   color: #484848;
+   margin-top: -20px;
+}
+.rst-content dl .legend { margin-top: -10px; }
+@media screen and (max-width: 768px){
+   .wy-table-responsive table:not(.footnote) { min-width: 520px; }
+   .rst-content table.docutils caption { text-align: left; }
+   img { width: auto; }
+}
+/* End TABLE & FIGURE. */
+/* Video center. */
+iframe {
+   display: block;
+   margin: 0 auto 24px auto;
+}
+/* Copyright font scale down. */
+footer p{ font-size: smaller}
+.footer-contribute {
+   display: block;
+   font-size: smaller;
+   margin-top: -12px
+}
+.footer-contribute li {
+   display: inline;
+   list-style-type: none;
+   padding-right: 20px;
+}
+/* Breadcrumbs "Docs" to icon. */
+.wy-breadcrumbs-aside a {
+   position: absolute;
+   top: 2px;
+   right: 0;
+}
+.wy-breadcrumbs li:first-child a {
+   line-height: 0;
+   font-size: 0;
+}
+.wy-breadcrumbs li:first-child a::before {
+   content: "\f015";
+   font: 16px/1 FontAwesome;
+}
+/* Spacing bugfix. */
+.wy-breadcrumbs li a:first-child{padding: 5px}
+.wy-breadcrumbs li:first-child a{padding-left: 0}
+.wy-breadcrumbs li:nth-last-child(2){padding-left: 5px}
+/* Block-quote > dl bugfix. */
+.rst-content dl{line-height:normal}
+/* multi-paragraph dl bugfix */
+.rst-content dl p{line-height:inherit}
+/* Quotes for Fig. "link". */
+a[href^="#fig-"]::before {content: "\201c";}
+a[href^="#fig-"]::after {content: "\201d";}
+/* Intermediate headline. */
+.rubric {font-family: "Roboto Slab","ff-tisa-web-pro","Georgia",Arial,sans-serif}
+/* ".. container::" lead, block text float around image. */
+.lead {
+   clear: both; width: 100%;
+}
+/* Mark external links. */
+a.external {color:#656AE0;}
+/* List blender.org as internal. */
+.external[href^="https://www.blender.org"], .external[href^="https://docs.blender.org"], .external[href^="https://wiki.blender.org"] {
+   color:#2980B9;
+}
+/* Draws a box around menuselection role. */
+/* Temporary fix for "theme(0.2.5b2)" bug: no box around 'kbd' role. */
+.menuselection, .kbd.docutils.literal {
+   font-size: 90%;
+   font-weight: normal;
+   background-color: rgba(255, 255, 255, 0.65);
+   border: solid #E1E4E5 1px;
+   white-space: nowrap;
+   padding: 2px 5px;
+}
+@media screen and (max-width: 420px) {
+   .menuselection {white-space: normal}
+}
+.caption .menuselection {
+   background-color: transparent;
+   border: none;
+}
+.caption .kbd {background-color: transparent}
+/* Remove indent on line break. */
+.rst-content .line-block {margin-left: 0px}
+/* Applied on main index:sections. */
+/* Start section description. */
+@media screen and (min-width: 450px){
+   .tocdescr {
+      display: flex; display: -webkit-flex;
+      flex-flow: row wrap; -webkit-flex-flow: row wrap;
+      justify-content: space-between; -webkit-justify-content: space-between;
+      align-items: flex-start; -webkit-align-items: flex-start;
+      align-content: flex-start; -webkit-align-content: flex-start;
+      list-style-type: none;
+      margin-bottom: 10px;
+   }
+   /* Dan Andreasson on Stack Overflow. */
+   .tocdescr:after {
+      content: "";
+      flex: 1 0 33.3%; -webkit-flex: 1 0 33.3%;
+      margin-left: 45px;
+      align-self: stretch; -webkit-align-self: stretch;
+   }
+}
+@media screen and (max-width: 450px) {
+   .tocdescr {
+      display: flex; display: -webkit-flex;
+      flex-flow: column wrap; -webkit-flex-flow: column wrap;
+      justify-content: space-between; -webkit-justify-content: space-between;
+      align-items: flex-start; -webkit-align-items: flex-start;
+      align-content: flex-start; -webkit-align-content: flex-start;
+      list-style-type: none;
+      margin-bottom: 10px;
+   }
+   .tocdescr:after {
+      content: "";
+      flex: none; -webkit-flex: none;
+   }
+}
+.descr {
+   flex: 2 0 33.3%; -webkit-flex: 2 0 33.3%;
+   margin: 10px 15px;
+   border-radius: .3em;
+   user-select: none;
+}
+.descr div.figure {
+   margin-bottom: 0px;
+   display: block;
+}
+.descr img {
+   border-top-left-radius: .3em;
+   border-top-right-radius: .3em;
+}
+.descr dl {margin-bottom: 10px}
+.descr dl dt > a {
+   display: block;
+   width: 100%;
+   margin-bottom: 10px;
+}
+.descr dl dt a em, .descr dl dt a span{
+   font-weight: bold;
+   font-style: normal;
+   font-size: 1.3em;
+}
+.descr dl dt{padding: 18px 15px 0px!important}
+.descr dl dd{
+   padding: 0px 15px;
+   font-style: normal;
+   margin: 0px;
+   color: #808080;
+   font-size: 90%;
+}
+.descr {
+   box-shadow:
+      rgba(0,0,0,0.05) 0px 1px 4px 0px,
+      rgba(211,216,223,0.33) 0px 15px 20px -1px;
+}
+#getting-started .descr {
+   box-shadow: none;
+}
+/* End section description. */
+/* Start custom toctree. */
+.toctree-wrapper .toctree-l1 > a {margin-bottom: 0.15em}
+/* Indent all lines following the first. */
+.toctree-wrapper * a {
+   display: block;
+   width: 90%;
+   text-indent: -1em;
+   margin-left: 1em;/*invert indent*/
+   padding-top: 0.25em;
+   line-height: 1.25em;
+}
+/* Underline provided by nested ul (not li). */
+.toctree-wrapper * ul {
+   padding-left: 2em;
+   border-top: solid #ececec 1px;
+}
+.toctree-wrapper > ul {margin-left: 1em}
+.rst-content .toctree-wrapper ul li ul {
+   margin-bottom: 0.75em;
+   padding-top: 0.5em;
+}
+.rst-content .toctree-wrapper ul li a:hover {color: #25afef}
+.rst-content .toctree-wrapper ul li a:visited:hover {color: #C961DA}
+.toctree-wrapper .toctree-l1 > a{font-size: 104%}
+.toctree-wrapper .toctree-l2 > a{font-size: 102%}
+.toctree-wrapper .toctree-l3 > a{font-size: 100%}
+.toctree-wrapper .toctree-l1 > ul{border-color: #bfbfbf}
+.toctree-wrapper .toctree-l2 > ul{border-color: #e1e0e0}
+.toctree-wrapper .toctree-l3 > ul{border-color: #ececec}
+/* Remove list styling, css rule hierarchy. */
+.rst-content .toctree-wrapper ul li, .rst-content .toctree-wrapper ul li li , .rst-content .toctree-wrapper ul li li li {
+   list-style-type: none;
+   margin-left: 0px;
+}
+/* End custom toctree. */
+/* Start genindex consistency. */
+.genindextable * strong {font-weight: normal}
+.genindex-jumpbox {margin-bottom: 1.245em}
+.indextable {margin-bottom: 1.245em}
+/* End genindex consistency. */
diff --git a/docs/source/_static/theme_overrides_blender.css b/docs/source/_static/theme_overrides_blender.css
new file mode 100644
index 0000000..563732e
--- /dev/null
+++ b/docs/source/_static/theme_overrides_blender.css
@@ -0,0 +1,508 @@
+/*
+ * This stylesheet is applied after the theme's default one,
+ * and thus any overrides or additions can be added here.
+ *
+ * More info:
+ *		https://www.sphinx-doc.org/en/master/extdev/appapi.html#sphinx.application.Sphinx.add_css_file
+ */
+
+h5 {
+	margin-bottom: 5px
+}
+
+/* Sidebar menu links. */
+.wy-menu-vertical li.toctree-l2.current li.toctree-l3>a:hover {
+	background: #c0c0c0
+}
+
+.wy-menu-vertical li.toctree-l3.current li.toctree-l4>a:hover {
+	background: #b5b5b5
+}
+
+.wy-menu-vertical li.toctree-l4 {
+	font-size: 1em
+}
+
+.wy-menu-vertical li.current a {
+	border: 0
+}
+
+.wy-side-nav-search>a:hover {
+	background: none;
+	opacity: 0.9
+}
+
+.wy-side-nav-search>a.icon::before {
+	content: none
+}
+
+.wy-menu-vertical p.caption {
+	color: #e6e6e6;
+}
+
+/* Ensure background of input fields is light color even when a local theme wants it to be dark. */
+input[type="text"],
+input[type="search"],
+input[type="password"],
+input[type="email"],
+input[type="url"],
+input[type="date"],
+input[type="month"],
+input[type="week"],
+input[type="time"],
+input[type="datetime"],
+input[type="datetime-local"],
+input[type="number"],
+input[type="tel"],
+input[type="color"] {
+	background-color: #FCFCFC;
+}
+
+/* Boxed paragraphs. */
+.rst-content .refbox .admonition-title {
+	background-color: #bbb
+}
+
+.rst-content .refbox {
+	background-color: #e3e3e3
+}
+
+.rst-content .seealso .admonition-title {
+	background-color: #7a87e6
+}
+
+.rst-content .seealso {
+	background-color: #e7ebfa
+}
+
+.rst-content .important .admonition-title {
+	background-color: #ddca3b
+}
+
+.rst-content .important {
+	background-color: #f6f3a5
+}
+
+/* refbox =, seealso ( > ), note ( i ), tip i , hint (+), warn / ! \ */
+.refbox .admonition-title::before {
+	content: "\f00b"
+}
+
+.seealso .admonition-title::before {
+	content: "\f138"
+}
+
+.note .admonition-title::before {
+	content: "\f05a"
+}
+
+.tip .admonition-title::before {
+	content: "\f129";
+	width: 0.75em;
+	text-align: center
+}
+
+.hint .admonition-title::before {
+	content: "\f055"
+}
+
+.warning .admonition-title::before {
+	content: "\f071"
+}
+
+/* 'refbox' field. */
+.refbox .field-list .field-name,
+.refbox .field-list .field-body {
+	padding: 0px;
+}
+
+.refbox dl dt {
+	font-weight: normal
+}
+
+/* Ugly 'red' literals. */
+.rst-content tt.literal,
+.rst-content tt.literal,
+.rst-content code.literal {
+	color: #404040;
+	border-radius: .4em;
+}
+
+/* Literal blocks that use too much padding, make them look like regular literals. */
+.rst-content pre.literal-block {
+	font-size: 75%;
+	margin: 0;
+	padding: 2px 4px;
+	color: #404040;
+	background: #ffffff;
+	white-space: normal;
+	display: inline;
+	border-radius: .4em;
+}
+
+/* Fix definisions with different ids. */
+.rst-content dl.simple {
+	margin-bottom: 0px;
+}
+
+/* Fix nested block spacing. */
+.rst-content .document dl dt,
+.rst-content dd dl,
+.rst-content dl.field-list dd>p {
+	margin: 0;
+}
+
+/* Dont indent field lists */
+.rst-content dl.field-list dt {
+	padding-left: 0 !important;
+}
+
+/* Fix padding for normal definitions nested in field lists */
+.rst-content dl.field-list dd>dl.simple {
+	padding-top: 12px;
+}
+
+/* Without this, paragraphs in bullet points within definition lists have too much vertical padding. */
+.rst-content li>p {
+	margin-bottom: 0px !important;
+}
+
+/* TABLE & FIGURE */
+
+/* captions text style */
+.rst-content .figure .caption,
+.rst-content figure figcaption>p,
+.rst-content table.docutils caption,
+.rst-content table.field-list caption {
+	font: italic 90%/18px Lato, proxima-nova, 'Helvetica Neue', Arial, sans-serif;
+	color: #808080;
+}
+
+/* Captions top padding. */
+.rst-content .figure .caption,
+.rst-content figure figcaption {
+	margin-top: 4px;
+}
+
+.rst-content table.docutils caption {
+	padding: 0.5em;
+}
+
+/* Text word wrap. */
+.wy-table-responsive table td,
+.wy-table-responsive table th {
+	white-space: normal;
+}
+
+/* Cell's vertical align. */
+/* use "valign" class for middle align. */
+.rst-content table.docutils:not(.valign) td {
+	vertical-align: baseline;
+}
+
+/* Field list align. */
+.rst-content table.field-list td {
+	padding-top: 8px;
+}
+
+/* Table header cells border color. */
+.rst-content table.docutils th {
+	border-color: #e1e4e5;
+}
+
+/* Figure in table margin. */
+.rst-content td div.figure,
+.rst-content td figure {
+	margin-top: 4px;
+	margin-bottom: 0;
+}
+
+/* Figure legend. */
+.legend {
+	font-size: 90%;
+	color: #484848;
+	margin-top: -20px;
+}
+
+.rst-content dl .legend {
+	margin-top: -10px;
+}
+
+@media screen and (max-width: 768px) {
+
+	.wy-table-responsive table:not(.footnote) {
+		min-width: 520px;
+	}
+
+	.rst-content table.docutils caption {
+		text-align: left;
+	}
+
+	img {
+		width: auto;
+	}
+
+}
+
+/* End TABLE & FIGURE. */
+
+/* Video center. */
+iframe {
+	display: block;
+	margin: 0 auto 24px auto;
+	border: 0;
+	max-width: 100%;
+}
+
+/* Copyright font scale down. */
+footer p {
+	font-size: smaller
+}
+
+.footer-contribute {
+	display: block;
+	font-size: smaller;
+	margin-top: -12px
+}
+
+.footer-contribute li {
+	display: inline;
+	list-style-type: none;
+	padding-right: 20px;
+}
+
+/* Quotes for Fig. "link". */
+a[href^="#fig-"]::before {
+	content: "\201c";
+}
+
+a[href^="#fig-"]::after {
+	content: "\201d";
+}
+
+/* Intermediate headline. */
+.rubric {
+	font-family: "Roboto Slab", "ff-tisa-web-pro", "Georgia", Arial, sans-serif
+}
+
+/* ".. container::" lead, block text float around image. */
+.lead {
+	clear: both;
+	width: 100%;
+}
+
+/* Mark external links. */
+a.external {
+	color: #656AE0;
+}
+
+/* List blender.org as internal. */
+.external[href^="https://www.blender.org"],
+.external[href^="https://docs.blender.org"],
+.external[href^="https://wiki.blender.org"] {
+	color: #2980B9;
+}
+
+/* Draws a box around menuselection role. */
+.menuselection {
+	font-family: "Lato", "proxima-nova", "Helvetica Neue", Arial, sans-serif;
+	font-size: 90%;
+	font-weight: normal;
+	background-color: rgba(255, 255, 255, 0.65);
+	border: solid #E1E4E5 1px;
+	padding: 2px 5px;
+	border-radius: .4em;
+}
+
+@media screen and (max-width: 420px) {
+	.menuselection {
+		white-space: normal
+	}
+}
+
+.caption .menuselection {
+	background-color: transparent;
+	border: none;
+}
+
+/* Remove indent on line break. */
+.rst-content .line-block {
+	margin-left: 0px
+}
+
+/* Applied on main index:sections. */
+
+.global-index-toc {
+	display: none;
+}
+
+/* Start section cards. */
+.toc-cards {
+	display: grid;
+	grid-template-columns: repeat(auto-fit, minmax(225px, 1fr));
+	grid-gap: 20px;
+	list-style-type: none;
+	margin-bottom: 24px;
+}
+
+.card {
+	border-radius: .3em;
+	user-select: none;
+}
+
+.card div.figure,
+.card figure {
+	margin-bottom: 0px;
+	display: block;
+}
+
+.card img {
+	border-top-left-radius: .3em;
+	border-top-right-radius: .3em;
+}
+
+.card dl {
+	margin-bottom: 10px
+}
+
+.card dl dt>a {
+	display: block;
+	width: 100%;
+	margin-bottom: 10px;
+}
+
+.card dl dt a em,
+.card dl dt a span {
+	font-weight: bold;
+	font-style: normal;
+	font-size: 1.3em;
+}
+
+.card dl dt {
+	padding: 18px 15px 0px !important
+}
+
+.card dl dd {
+	padding: 0px 15px 5px 15px;
+	font-style: normal;
+	margin: 0px;
+	color: #808080;
+	font-size: 90%;
+}
+
+.card {
+	box-shadow: rgba(0, 0, 0, 0.05) 0px 1px 4px 0px,
+		rgba(211, 216, 223, 0.33) 0px 15px 20px -1px;
+}
+
+#getting-started .card {
+	box-shadow: none;
+}
+
+/* End section cards. */
+
+/* Start custom toctree. */
+.toctree-wrapper .toctree-l1>a {
+	margin-bottom: 0.15em
+}
+
+/* Indent all lines following the first. */
+.toctree-wrapper * a {
+	display: block;
+	width: 90%;
+	text-indent: -1em;
+	margin-left: 1em;
+	/*invert indent*/
+	padding-top: 0.25em;
+	line-height: 1.25em;
+}
+
+/* Underline provided by nested ul (not li). */
+.toctree-wrapper * ul {
+	padding-left: 2em;
+	border-top: solid #ececec 1px;
+}
+
+.toctree-wrapper>ul {
+	margin-left: 1em
+}
+
+.rst-content .toctree-wrapper ul li ul {
+	margin-bottom: 0.75em;
+	padding-top: 0.5em;
+}
+
+.rst-content .toctree-wrapper ul li a:hover {
+	color: #25afef
+}
+
+.rst-content .toctree-wrapper ul li a:visited:hover {
+	color: #C961DA
+}
+
+.toctree-wrapper .toctree-l1>a {
+	font-size: 104%
+}
+
+.toctree-wrapper .toctree-l2>a {
+	font-size: 102%
+}
+
+.toctree-wrapper .toctree-l3>a {
+	font-size: 100%
+}
+
+.toctree-wrapper .toctree-l1>ul {
+	border-color: #bfbfbf
+}
+
+.toctree-wrapper .toctree-l2>ul {
+	border-color: #e1e0e0
+}
+
+.toctree-wrapper .toctree-l3>ul {
+	border-color: #ececec
+}
+
+/* Remove list styling, css rule hierarchy. */
+.rst-content .toctree-wrapper ul li,
+.rst-content .toctree-wrapper ul li li,
+.rst-content .toctree-wrapper ul li li li {
+	list-style-type: none;
+	margin-left: 0px;
+}
+
+/* End custom toctree. */
+
+/* Start genindex consistency. */
+.genindextable * strong {
+	font-weight: normal
+}
+
+.genindex-jumpbox {
+	margin-bottom: 1.245em
+}
+
+.indextable {
+	margin-bottom: 1.245em
+}
+
+/* End genindex consistency. */
+
+/* Correctly display keyboard shortcuts inside definition lists (theme.css explicitly excludes this case for some reason) */
+dt>kbd {
+	font-weight: normal;
+	font-size: 80%;
+	background-color: #fff;
+	border: 1px solid #a6a6a6;
+	border-radius: 4px;
+	box-shadow: 0 2px grey;
+	padding: 2.4px 6px;
+	margin: auto 0;
+}
+
+/* Fixes to field list, see #104636 */
+
+.field-list {
+	grid-template-columns: fit-content(24px) auto !important;
+}
\ No newline at end of file
diff --git a/docs/source/_static/upbge_logo.png b/docs/source/_static/upbge_logo.png
new file mode 100644
index 0000000..5558962
Binary files /dev/null and b/docs/source/_static/upbge_logo.png differ
diff --git a/docs/source/animation.rst b/docs/source/animation.rst
new file mode 100644
index 0000000..967da35
--- /dev/null
+++ b/docs/source/animation.rst
@@ -0,0 +1,6 @@
+uplogic.animation
+=================
+
+.. autoclass:: uplogic.animation.ULAction
+
+.. autoclass:: uplogic.animation.Action
diff --git a/docs/source/conf.py b/docs/source/conf.py
new file mode 100644
index 0000000..f0621f5
--- /dev/null
+++ b/docs/source/conf.py
@@ -0,0 +1,40 @@
+# Configuration file for the Sphinx documentation builder.
+#
+# For the full list of built-in configuration values, see the documentation:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
+
+# -- Project information -----------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
+
+project = 'uplogic'
+copyright = '2024, Leopold Auersperg-Castell'
+author = 'Leopold Auersperg-Castell'
+release = '2.1'
+
+# -- General configuration ---------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
+
+extensions = [
+    'sphinx.ext.autodoc',
+    'sphinx_rtd_theme'
+]
+
+templates_path = ['_templates']
+exclude_patterns = []
+
+
+
+# -- Options for HTML output -------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
+
+html_logo = '_static/upbge_logo.png'
+html_title = 'UPLOGIC Manual'
+html_theme = 'sphinx_rtd_theme'
+html_static_path = ['_static']
+html_theme_options = {
+   "navigation_with_keys": True,
+   # included in the title
+   "display_version": False,
+   "collapse_navigation": True, # slows build down; useful
+   "navigation_depth": 3,
+}
diff --git a/docs/source/index.rst b/docs/source/index.rst
new file mode 100644
index 0000000..3536502
--- /dev/null
+++ b/docs/source/index.rst
@@ -0,0 +1,20 @@
+.. uplogic documentation master file, created by
+   sphinx-quickstart on Wed Apr 10 16:04:15 2024.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+Welcome to uplogic's documentation!
+===================================
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+   Animation <animation>
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`
diff --git a/include.mk b/include.mk
new file mode 100644
index 0000000..38909cf
--- /dev/null
+++ b/include.mk
@@ -0,0 +1,62 @@
+##############################################################################
+# upbge
+##############################################################################
+
+ifeq ("$(OS)", "Windows_NT")
+UPBGE_VERSION=upbge-0.36.1-windows-x86_64
+UPBGE_TARBALL=$(UPBGE_VERSION).7z
+else
+UPBGE_VERSION=upbge-0.36.1-linux-x86_64
+UPBGE_TARBALL=$(UPBGE_VERSION).tar.xz
+endif
+UPBGE_URL=https://github.com/UPBGE/upbge/releases/download/v0.36.1/$(UPBGE_TARBALL)
+UPBGE_DONWLOAD_FOLDER?=$(MXMAKE_FOLDER)/downloads
+
+UPBGE_DOWNLOAD_TARGET:=$(SENTINEL_FOLDER)/upbge-download.sentinel
+$(UPBGE_DOWNLOAD_TARGET): $(SENTINEL)
+	@echo "Download upbge tarball"
+	@mkdir -p $(UPBGE_DONWLOAD_FOLDER)
+	@wget -P $(UPBGE_DONWLOAD_FOLDER) $(UPBGE_URL)
+	@touch $(UPBGE_DOWNLOAD_TARGET)
+
+UPBGE_EXTRACT_TARGET:=$(SENTINEL_FOLDER)/upbge-extract.sentinel
+$(UPBGE_EXTRACT_TARGET): $(UPBGE_DOWNLOAD_TARGET)
+ifeq ("$(OS)", "Windows_NT")
+	@7z x $(UPBGE_DONWLOAD_FOLDER)/$(UPBGE_TARBALL)
+else
+	@tar xf $(UPBGE_DONWLOAD_FOLDER)/$(UPBGE_TARBALL) -C .
+endif
+	@mv $(UPBGE_VERSION) bin
+	@touch $(UPBGE_EXTRACT_TARGET)
+
+UPBGE_RUN_TARGET:=$(SENTINEL_FOLDER)/upbge-run.sentinel
+$(UPBGE_RUN_TARGET):
+	@./bin/blender -b ./utils/run.blend -P ./utils/build.py
+	@touch $(UPBGE_RUN_TARGET)
+
+.PHONY: upbge-install
+upbge-install: $(UPBGE_EXTRACT_TARGET)
+
+.PHONY: upbge-run-clean
+upbge-run-clean:
+	@rm -rf ./utils/3.6
+	@rm -rf ./utils/engine.license
+	@rm -f ./utils/run
+	@rm -f ./utils/run.blend1
+	@rm -rf ./utils/lib/
+	@rm -f $(UPBGE_RUN_TARGET)
+
+.PHONY: upbge-clean
+upbge-clean: upbge-run-clean
+	@rm -rf $(UPBGE_DONWLOAD_FOLDER)/$(UPBGE_TARBALL)
+	@rm -f $(UPBGE_DOWNLOAD_TARGET)
+	@rm -rf bin
+	@rm -f $(UPBGE_EXTRACT_TARGET)
+
+##############################################################################
+# default targets
+##############################################################################
+
+SPHINX_BIN:=./utils/run sphinx
+INSTALL_TARGETS:=upbge-install $(INSTALL_TARGETS) $(UPBGE_RUN_TARGET)
+CLEAN_TARGETS+=upbge-clean
diff --git a/mx.ini b/mx.ini
new file mode 100644
index 0000000..82a4ab4
--- /dev/null
+++ b/mx.ini
@@ -0,0 +1,2 @@
+[settings]
+main-package = -e .[test,docs]
diff --git a/ruff.toml b/ruff.toml
new file mode 100644
index 0000000..5979882
--- /dev/null
+++ b/ruff.toml
@@ -0,0 +1,4 @@
+target-version = "py310"
+
+[format]
+quote-style = "single"
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..97d1b7c
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,9 @@
+[coverage:run]
+branch = True
+source = uplogic
+
+[coverage:report]
+ignore_errors = True
+
+[coverage:html]
+directory = coverage_html
diff --git a/setup.py b/setup.py
index 728fa16..4421183 100644
--- a/setup.py
+++ b/setup.py
@@ -59,5 +59,9 @@ def read_file(name):
     #     'uplogic\\nodes\\logictree.pyx'
     # ]),
     zip_safe=True,
-    install_requires=['setuptools']
+    install_requires=['setuptools'],
+    extras_require=dict(
+        test=['pytest', 'coverage'],
+        docs=['sphinx', 'sphinx_rtd_theme']
+    )
 )
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..458323c
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,115 @@
+import bpy
+import doctest
+import pytest
+import shutil
+import tempfile
+import bge
+import time
+
+
+class Example(object):
+
+    def __init__(self, want):
+        self.want = want + '\n'
+
+
+class Failure(Exception):
+    pass
+
+
+class Output:
+
+    def __init__(self):
+        self._checker = doctest.OutputChecker()
+        self._optionflags = (
+            doctest.NORMALIZE_WHITESPACE |
+            doctest.ELLIPSIS |
+            doctest.REPORT_ONLY_FIRST_FAILURE
+        )
+
+    def check(self, want, got, optionflags=None):
+        if optionflags is None:
+            optionflags = self._optionflags
+        success = self._checker.check_output(want, got, optionflags)
+        if not success:
+            raise Failure(self._checker.output_difference(
+                Example(want),
+                got, optionflags
+            ))
+
+
+@pytest.fixture(scope='session')
+def output():
+    return Output()
+
+
+class AppBlend:
+
+    def __init__(self):
+        self.tempdir = None
+        self.tear_down()
+
+    @property
+    def current_scene(self):
+        return bge.logic.getCurrentScene()
+
+    def next_frame(self):
+        time.sleep(1 / 30)
+        bge.logic.NextFrame()
+
+    def wait_until(self, condition):
+        while not condition():
+            self.next_frame()
+
+    def reset_app(self):
+        # remove game objects
+        for obj in list(self.current_scene.objects):
+            if obj.name == 'Camera':
+                continue
+            obj.endObject()
+        # remove blender objects
+        for obj in list(bpy.data.objects):
+            if obj.name == 'Camera':
+                continue
+            bpy.data.objects.remove(obj)
+        # remove id data blocks
+        for g in list(bpy.data.node_groups):
+            bpy.data.node_groups.remove(g)
+
+    def check_initial_state(self):
+        # check if application data in initial state
+        assert len(self.current_scene.objects) == 1
+        assert len(bpy.data.objects) == 1
+        assert len(bpy.data.node_groups) == 0
+
+    def set_up(self):
+        self.tempdir = tempfile.mkdtemp()
+
+    def tear_down(self):
+        if self.tempdir is not None:
+            shutil.rmtree(self.tempdir)
+            self.tempdir = None
+        # reset application data
+        self.reset_app()
+        # wait for actual object removal
+        self.wait_until(lambda: len(self.current_scene.objects) == 1)
+        # check if cleanup was successful
+        self.check_initial_state()
+
+
+_app_blend = None
+
+
+def get_app_blend():
+    global _app_blend
+    if _app_blend is None:
+        _app_blend = AppBlend()
+    return _app_blend
+
+
+@pytest.fixture()
+def app_blend():
+    app = get_app_blend()
+    app.set_up()
+    yield app
+    app.tear_down()
diff --git a/tests/test_fixtures.py b/tests/test_fixtures.py
new file mode 100644
index 0000000..a36ac5e
--- /dev/null
+++ b/tests/test_fixtures.py
@@ -0,0 +1,19 @@
+from conftest import AppBlend
+from pathlib import Path
+import bpy
+
+
+def test_AppBlend_fixture(output):
+    app_blend = AppBlend()
+    assert app_blend.tempdir is None
+
+    app_blend.set_up()
+    assert app_blend.tempdir is not None
+    assert Path(app_blend.tempdir).exists() is True
+    output.check('/tmp/...', app_blend.tempdir)
+
+    tempdir = app_blend.tempdir
+    app_blend.tear_down()
+    assert app_blend.tempdir is None
+    assert Path(tempdir).exists() is False
+    assert len(bpy.data.objects) == 1
diff --git a/utils/build.py b/utils/build.py
new file mode 100644
index 0000000..069e18d
--- /dev/null
+++ b/utils/build.py
@@ -0,0 +1,202 @@
+import bpy
+import os
+import shutil
+import tempfile
+
+
+def copytree(src, dst, symlinks=False, ignore=None):
+    """Custom copytree implementation to handle cases
+    """
+    for item in os.listdir(src):
+        s = os.path.join(src, item)
+        d = os.path.join(dst, item)
+        if os.path.isdir(s):
+            shutil.copytree(s, d, symlinks, ignore, dirs_exist_ok=True)
+        else:
+            shutil.copy2(s, d)
+
+
+def new_folder(path):
+    """Create a new folder if it doesn't exist yet
+    """
+    try:
+        os.mkdir(path)
+    except FileExistsError:
+        pass
+
+
+# Remove old build files
+try:
+    os.remove(bpy.path.abspath('//run'))
+except Exception:
+    pass
+try:
+    shutil.rmtree(bpy.path.abspath('//3.6'))
+except Exception:
+    pass
+try:
+    shutil.rmtree(bpy.path.abspath('//license'))
+except Exception:
+    pass
+
+
+path = bpy.path.abspath('//')
+OUTPUT_PATH = bpy.path.abspath('//run')
+
+def CopyPythonLibs(dst, overwrite_lib, report=print):
+    import platform
+
+    # use python module to find python's libpath
+    src = os.path.dirname(platform.__file__)
+
+    # dst points to lib/, but src points to current python's library path, eg:
+    #  '/usr/lib/python3.2' vs '/usr/lib'
+    # append python's library dir name to destination, so only python's
+    # libraries would be copied
+    if os.name == 'posix':
+        dst = os.path.join(dst, os.path.basename(src))
+
+    if os.path.exists(src):
+        write = False
+        if os.path.exists(dst):
+            if overwrite_lib:
+                shutil.rmtree(dst)
+                write = True
+        else:
+            write = True
+        if write:
+            shutil.copytree(src, dst, ignore=lambda dir, contents: [i for i in contents if i == '__pycache__'])
+    else:
+        report({'WARNING'}, "Python not found in %r, skipping python copy" % src)
+
+
+def WriteRuntime():
+    import struct
+
+    # Setup main folders
+    blender_dir = os.path.dirname(bpy.app.binary_path)
+    runtime_dir = os.path.dirname(OUTPUT_PATH)
+
+    # Extract new version string. Only take first 3 digits (i.e 3.0)
+    string = bpy.app.version_string.split()[0]
+    version_string = string[:3]
+
+    # Create temporal directory
+    tempdir = tempfile.mkdtemp()
+    blender_bin_path = bpy.app.binary_path
+    blender_bin_dir = os.path.dirname(blender_bin_path)
+    ext = os.path.splitext(blender_bin_path)[-1].lower()
+    blenderplayer_name = 'blenderplayer'
+    player_path_temp = os.path.join(blender_bin_dir, blenderplayer_name + ext)
+
+    # Get the player's binary and the offset for the blend
+    file = open(player_path_temp, 'rb')
+    player_d = file.read()
+    offset = file.tell()
+    file.close()
+
+    # Create a tmp blend file (Blenderplayer doesn't like compressed blends)
+    blend_path = os.path.join(tempdir, bpy.path.clean_name(OUTPUT_PATH))
+    bpy.ops.wm.save_as_mainfile(filepath=blend_path,
+                                relative_remap=False,
+                                compress=False,
+                                copy=True,
+                                )
+
+    # Get the blend data
+    blend_file = open(blend_path, 'rb')
+    blend_d = blend_file.read()
+    blend_file.close()
+
+    # Get rid of the tmp blend, we're done with it
+    os.remove(blend_path)
+    os.rmdir(tempdir)
+
+    # Create a new file for the bundled runtime
+    output = open(OUTPUT_PATH, 'wb')
+
+    # Write the player and blend data to the new runtime
+    print("Writing runtime...", end=" ")
+    output.write(player_d)
+    output.write(blend_d)
+
+    # Store the offset (an int is 4 bytes, so we split it up into 4 bytes and save it)
+    output.write(struct.pack('B', (offset>>24)&0xFF))
+    output.write(struct.pack('B', (offset>>16)&0xFF))
+    output.write(struct.pack('B', (offset>>8)&0xFF))
+    output.write(struct.pack('B', (offset>>0)&0xFF))
+
+    # Stuff for the runtime
+    output.write(b'BRUNTIME')
+    output.close()
+
+    print("done")
+
+    # Make the runtime executable on Linux
+    if os.name == 'posix':
+        os.chmod(OUTPUT_PATH, 0o755)
+
+    print("Copying Python files...", end=" ")
+    py_folder = os.path.join(version_string, "python", "lib")
+    dst = os.path.join(runtime_dir, py_folder)
+    CopyPythonLibs(dst, True, print)
+    print("done")
+
+    # Copy datafiles folder
+    print("Copying datafiles...", end=" ")
+    datafiles_folder = os.path.join(version_string, "datafiles", "gamecontroller")
+    src = os.path.join(blender_dir, datafiles_folder)
+    dst = os.path.join(runtime_dir, datafiles_folder)
+    if os.path.isdir(dst):
+        shutil.rmtree(dst)
+    shutil.copytree(src, dst)
+    datafiles_folder = os.path.join(version_string, "datafiles", "colormanagement")
+    src = os.path.join(blender_dir, datafiles_folder)
+    dst = os.path.join(runtime_dir, datafiles_folder)
+    if os.path.isdir(dst):
+        shutil.rmtree(dst)
+    shutil.copytree(src, dst)
+    datafiles_folder = os.path.join(version_string, "datafiles", "fonts")
+    src = os.path.join(blender_dir, datafiles_folder)
+    dst = os.path.join(runtime_dir, datafiles_folder)
+    if os.path.isdir(dst):
+        shutil.rmtree(dst)
+    shutil.copytree(src, dst)
+    datafiles_folder = os.path.join(version_string, "datafiles", "studiolights")
+    src = os.path.join(blender_dir, datafiles_folder)
+    dst = os.path.join(runtime_dir, datafiles_folder)
+    if os.path.isdir(dst):
+        shutil.rmtree(dst)
+    shutil.copytree(src, dst)
+    print("done")
+
+    print("Copying scripts and modules...", end=" ")
+    scripts_folder = os.path.join(version_string, "scripts")
+    src = os.path.join(blender_dir, scripts_folder)
+    dst = os.path.join(runtime_dir, scripts_folder)
+    shutil.copytree(src, dst)
+    print("done")
+
+    # Copy license folder
+    print("Copying UPBGE license folder...", end=" ")
+    src = os.path.join(blender_dir, "license")
+    dst = os.path.join(runtime_dir, "engine.license")
+    if os.path.isdir(dst):
+        shutil.rmtree(dst)
+    shutil.copytree(src, dst)
+    license_folder = os.path.join(runtime_dir, "engine.license")
+    src = os.path.join(blender_dir, "copyright.txt")
+    dst = os.path.join(license_folder, "copyright.txt")
+    shutil.copy2(src, dst)
+    print("done")
+
+
+import time
+print("Saving runtime to %r" % bpy.path.abspath('//'))
+start_time = time.time()
+WriteRuntime()
+print("Finished in %.4fs" % (time.time() - start_time))
+
+blpath = bpy.utils.resource_path(type='LOCAL')
+new_folder(bpy.path.abspath('//lib'))
+copytree(os.path.join(blpath, '..', 'lib'), bpy.path.abspath('//lib'))
diff --git a/utils/run.blend b/utils/run.blend
new file mode 100644
index 0000000..56e8c4a
Binary files /dev/null and b/utils/run.blend differ