Gauge-Python 0.0.1

• Added step decorator @step('step text')
• Added hook decorators with filtered tagged hook execution support:
  • @before_step
  • @after_step
  • @before_scenario
  • @after_scenario
  • @before_spec
  • @after_spec
  • @before_suite
  • @after_suite
• Added Refactoring support
• Added support for screenshots at failure
• Data stores: suite_data_store, spec_data_store, scenario_data_store
• Added support for custom report messages.