BugFix: invalid error fixed.
The original code always returned false(error).
Using TermList while parsing.
Fix the missing commas.
Making HtmlColor a Term.
Fixing CSS generation of colors with alpha.
fix #22
Removed RuleValueType(was only used to test for Inherited Term)
Custom InheritedTerm Class.
Simplified GenericFunction, removed Function
Merge pull request #23 from hultqvist/upstream

Fix bugs in #22