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.
Implement @component tag (normally auto-detected).

Instead of checking for cls.inherits_from("Ext.Component") when
generating class icons, we can simply check if the class has the
component tag.

Process::Components takes care of auto-detecting components, so one
rarely needs to actually use @component tag.
Move ClassDocExpander tests to separate file.
Typo in Js::Class
Add :class_icon field to Tags.

Use it in @component and @singleton to define a CSS class name for
the tag that's used for the class instead of the default.

Eliminate the hard-wired icon rendering of class header.

Though the CSS and icons themselves are still hard-wired.
Extract ClassIcons class.