Switch CSS Code

Changed formatting to match with Python recommended style guidelines.

Fixes to inherit, correctly finds selectors gained through prepending. Change to include behavior, now behaves more like content is written in-place, style rules will now correctly gain selector of parent style rules. Added unit tests for all new/fixed functionality

TEST: uploading whitespace change

Changed help message for the file process option.

The documentation, unit tests, and clock dirs

Added the main Python source files.