Adding reply() method to ResponderInterface
Deprecating methods in Hash and CommandInterface
Updating AbstractCommand to extend Hash
Adding CommandNameMatcher, extending CommandMatcher, WebHookMatcher from it
Using reply() for RepeaterBot to cut down on infinite loops
Updating CHANGELOG for v0.4.5
Merge branch 'release/v0.4.5' into develop

* release/v0.4.5:
  Updating CHANGELOG for v0.4.5