100% coverage for SourceReader and SettingsManager.
Improve coverage for parser.
Add some tests for some Parse Errors.
remove autoImportForExtends setting.
Disallow extends by import.
Improve coverage of Cheetah/Compier
Add some tests for #set global
Improve some branch coverage in the compiler.
100% coverage for Cheetah/Compiler.py
Improve coverage using examples from yelp templates.
Improve coverage on parser.
Improve coverage of parser even more.
100% coverage for Parser.
Use pre-commit from pypi.
Merge pull request #119 from bukzor/even_moar_coverage

Even moar coverage
Add setting `future_uncode_literals` for toggling unicode_literals.