New SCSS parser using the official SASS parser.
Detect variable and parameter types in SCSS files.
Move SCSS type detection to separate class.
Detect line numbers with new SASS parser.
Detect doc-comment when not followed by SCSS code.
Detect multiple code-less doc-comments in SCSS.
Exclude /** */ from comment content in SCSS.
Detect default value when it's a function call.
Use Css::SassParser instead of old Css::Parser.
Remove old Css::Lexer and Css::Parser.
Rename Css::SassParser to Css::Parser.
Add "sass" gem to travis.yml dependencies.
Remove old leftover tests for Css::Lexer.
Pull in css mixin params from source code.
Simplify Js::Class#detect_method_or_property.

A bit of duplication there.
Merge branch 'master' into sass
Merge branch 'sass'
Add sass to list of dependencies.
Up version to 6.0.0.beta.