test: Refactor test modules
test: Add some test fixture
dep: Dev dep on sass
test: Fix cssy module path
fix: Support empty source
text: Cleanup tests
refactor: Refactor asynchronous composition and add parsers
test: Add test for sass, stylus and less
feature: Add default parser for stylus, sass and less
doc: Clean up documentation and add workflow + parser doc
Version bump
Release v0.2.0 - Didactic Alligator