Move GithubRepoHandler into separate class.
Move GistHandler into separate class.
Move TwitterUserHandler into separate class.
Rework twitter url formatting.
Move remaining handlers into classes.
Remove unused methods.
Rework UrlHandler plugin.
Dynamically load handlers (remove hardcoding).
Add .gem info command.
Add GithubStatus plugin.
Update help message with info about the auto-printing github status.
Add Cowsay.
Add ChuckNorris quotes.
Fix help for ChuckNorris.
Add FerengiRules.
Add RedditJoke.
Fixup joke titles from Reddit.
Add non-prefixed 'chuck' matchers.
Make matchers case-insensitive.
Unescape any HTML quoted strings in output.