Fixes for "background gradients #26". Fixed gradient-like functions by treating inner function whitespaces/commas as significant. Fixed color hash parsing. Added unit tests.
https://github.com/TylerBrinks/ExCSS/issues/26
Updated parser blocks for closing parens inside a single value
Merge from GitHub pull requests and incrementing to version 2.0.4
Unit tests merged with passing updates to hex and hsl calculations
Merge branch 'ioninteractive-bug-background-gradients-26'