Add sphinx documentation.
Add phony to apidocs in makefile.
Readme is included into index.
Crate setuptools install file.
Fix setup script and gitignore.
Clean up main function code.
Added comments and cleaned up lexer.
Lexer outputs messages to log instead of stdout.
Remove unused tokens from lexer.tokens.
Update parser documentation.
Add production list to parser documentation.
Update documentation of utils module.
Update doc, fix style.
Add samples of dumped vartraces for testing.
Add scafolding for testing reader on samples.
Fix reader so that empty trace passes.
Update documentation for trace reader.
Implement fill_pod_value function.
Add test for integer count sample.
Add tests for all sample data files.