Joints added to Readme.
Formatting, grammar.
Removed 'accidentally'.
Merge pull request #2 from adityamenon/patch-2

Joints added to Readme.
stuff that rocks the boat
changed orderables name to sorter, kinda in the best place to do that
changed the helper methods in repository to accept sorter
Merge branch 'master' of github.com:kapv89/reposed
changed sorter and filterer to work with repositories instead of queries, immutability, baby
changed how filters and orders are applied
changed persistors run method to return the model
fixed something in serializer
fixed serialization issue in models