Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Improved test for colors
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Updated changelog
  Fixed an issue with alpha color parsing
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Improving comments
  Delete CHANGELOG.md
  Improved comments across color helpers
Restructure tests folder
Update Gruntfile

You can now run:
`grunt test:decoder` or `grunt test:encoder` to only run these tests.

The same goes for `grunt dev:decoder` and `grunt dev:encoder`
Merging new tests workflow branch
New tests