Cleanup of steup.py and travis.yml
Fixed test_lexemes_order test (removed extra braces)

Thnx, @sealion
Added support for unquoted OPTION values, e.g. field_weights
Field weights are passed as dictionary, third parameter disables autoescape
Merge pull request #1 from futurecolors/weights

Added support for unquoted OPTION values, e.g. field_weights