Fixes FunctionBuffer to properly treat hsl saturation and lightness values as percentages.
@Keyframes Parsing Regression with 2.0.3
https://github.com/TylerBrinks/ExCSS/issues/43
Fixes defect in which control characters in primitive term string type values could result in invalid css.
Merge branch 'bfreese'
Fixed all unit tests related to HSL parsing.
Merge pull request #46 from bfreese/fix-ctrl-chars-in-primitive-term-strings

Escape control characters in primitive term string values