Added ruby version file to ignore list.
Added rake `spec` task as default task.
Updated gemspec. Loosed dependency versions.
Split monolythic renderer into modules. Tests passed.
Added the rspec configuration file.
Extended base regexp to include after `>` strings and beginning of lines.
Added mentions test.
Extend base regexp to make it capture HTML tags if any.

This might need a bit more test cases for a better coverage.
Added hashtag tests.
Updated mentions due to base regexp changes.

Should exclude links processing.
Added a test to cover postprocessing method super.
Use rspec documentation format.
Updated readme to include mixins usage.
Use the spec helper.
Postprocessing method should super if available.
Let `#mention?` and `#hashtag?` return can be used.
Make ending chars optional.
Merge pull request #1 from stas/master

Redcarpet Socialable Mixins