Update npm dependencies, add CHANGELOG.md
Add `.editorconfig` file
add some test in dev version (see #14)
Merge pull request #15 from anselmh/update-deps

Add editorconfig to project, add Changelog, update npm-deps
Merge remote-tracking branch 'origin/dev' into dev
Stick to editorconfig in all files
Merge pull request #16 from anselmh/dev

Stick to editorconfig in all files
fixes issue #17