Improved python module architecture and added algos.

* Splitted core and algos
* Introduced a new API
* Added zstd, brotli, snappy, lzham, implode and bzip
* Added paramaters for all the algos
* Some improvements in packaging.
* Improved testing.

README.md

@@ -53,9 +53,9 @@ Add [ruby/lib/](https://github.com/kaitai-io/kaitai_compress/tree/master/ruby/li
 
 | Algorithm | Process name | Arguments | Conforming | Test file extension |
 | - | - | - | - | - |
-| [LZ4](https://en.wikipedia.org/wiki/LZ4_(compression_algorithm)) | `lz4` | None | [LZ4 block specification](https://lz4.github.io/lz4/lz4_Block_format.md) | lz4 |
-| [LZMA](https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Markov_chain_algorithm) | `lzma_raw` | None | Raw LZMA stream | lzma_raw |
-| [LZMA](https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Markov_chain_algorithm) | `lzma_lzma` | None | Legacy .lzma file format (AKA alone) | lzma |
-| [LZMA](https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Markov_chain_algorithm) | `lzma_xz` | None | .xz file format | xz |
-| [DEFLATE](https://en.wikipedia.org/wiki/DEFLATE) (AKA zlib) | `zlib` | None | [RFC 1951](https://tools.ietf.org/html/rfc1951) | zlib |
-| [zstd](https://zstd.net) (AKA zstandard) | `zstd` | None | [Spec & ref implementation](http://facebook.github.io/zstd/zstd_manual.html) | zst |
+| [LZ4](https://en.wikipedia.org/wiki/LZ4_(compression_algorithm)) | `lz4` | block_size, if should link blocks, compression level (`0`-`16`), if should checksum frame, if should checksum each block | [LZ4 block specification](https://lz4.github.io/lz4/lz4_Block_format.md) | `lz4` |
+| [LZMA](https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Markov_chain_algorithm) | `lzma` | algorithm version (`1, 2`), compression level (`0-9`, `-1` - don't compress with lzma, but use other filters specified), format (`auto`, `alone`, `raw`, `xz`), checksumming algorithm (`none`, `crc32`, `crc64`, `sha256`), modifiers (`e` for `--extreme`), dictionary size, literal context bit count, literal position bit count, position bit count, match finder (`hc3`, `hc4`, `bt2`, `bt3`, `bt4`), mode (`normal`, `fast`), additional_filters | Raw LZMA stream | `lzma` |
+| [DEFLATE](https://en.wikipedia.org/wiki/DEFLATE) (AKA zlib) | `zlib` | container type (`raw`, `zlib`, `gzip`), log of window size (`9`-`15`), dictionary, compression level (`0`-`9`, `-1` for default), memory level (`0`-`9`), strategy (`filtered`, `huffman_only`), method (currently only `deflated` is supported) | [RFC 1951](https://tools.ietf.org/html/rfc1951) | `zlib`, `gz` |
+| [zstd](https://zstd.net) (AKA zstandard) | `zstd` | format (`zstd1_magicless`, `zstd1`),  log of (max) window size, dictionary, compression level (`1` - `22`, `-5` - `-1`), if should write checksum, if should write uncompressed size, if should write dict ID, strategy (`fast`, `dfast`, `greedy`, `lazy`, `lazy2`, `btlazy2`, `btopt`, `btultra`, `btultra2`), hash log size, match min size, chain log size, search log size, overlap log size, target length, if should use long distance matching, ldm hash log size, ldm match min size, ldm bucket size log, ldm hash rate log, job size, force max window | [Spec & ref implementation](http://facebook.github.io/zstd/zstd_manual.html) | `zst` |
+| [bzip2](https://en.wikipedia.org/wiki/bzip2) | `bz2` | compression level (`1` - `9`)   to add |[Official repo](https://gitlab.com/federicomenaquintero/bzip2)|`bz2`|
+| [brotli](https://en.wikipedia.org/wiki/brotli) | `brotli` | compression level (`0`-`11`), mode (`generic`, `text`, `font`), log window size , log block size, dictionary | [Official repo](https://github.com/google/brotli) | `br` |