Filters

Major features

• Introduce Filter interface #19. It acts similar to Reducer, but it is about limiting chain entries.
  • Has Filter(*Entry) *Entry method to check is entry meets filter condition
  • Implements Reducer interface too, to be used in chains
• Datetime filter #19. Its based on this PR #11 by @pshevtsov
• Introduce StringParser #24 by @pshevtsov

Minor features

• Run test for go version up to 1.5
• Linting fixes #13, #14 (thanks to @pshevtsov)
• More examples, espetially for reducers #17
• Use goconvey for tests

Bugfixes

• Fixed Reader examples #21
• Long lines reading #23 by @pshevtsov
• Fix nginx conf parsing, deal with commented lines #25 by @jack1582

Hall of Glory

Special thanks to @pshevtsov for doing so much!