v4.0.1

👷 maintenance

• 40325b4 build(npm): ⬆️ chai, codemirror, dependency-cruiser, eslint, eslint-plugin-import, eslint-plugin-promise, mocha, node-sass, query-string, upem, webpack, webpack-cli
• 4f15b6d chore: change e-mail address away from yandex
• 40044c6 build(npm): mocha, mscgenjs, mscgenjs-inpage, webpack, webpack-cli
• 6c2d4de chore: removes feature flag from some features
• 803b2a7 seo(tutorial): set the canonical of the page to the page itself instead of to the root