Added collecting of dynamic variables inside properties/selectors. Fixed unit tests.
Improved support for keyframes (allowing multiple steps on each frame)
Added initial test file for keyframes
Added new job optimize and changed previously existed compress job to apply formatting
Improved indenter for empty lines and added support for compressing keyframe declarations
Worked on keyframe tests
Added test for processing media queries
Added parsing support for CSS2 level media queries
Worked on CSS support for parser + added a ton of new tests for various @media cases.
Worked on compressing @media queries