Move any_friends? from Friends class method to helper method
Rename all_friends method to confirmed_friends, move confirmed_friends to helper method, remove dependence on all_friends from any_friends? helper
Move any_pending_requests? Friend method to helper method
Move pending_requests from Friend model to helper method, remvoe dependency on pending_requests from any_pending_requests? helper method
Move username User class method to helper method, renamed to find_username
Merge pull request #25 from Steveo1485/refactor-helper-methods

Refactor helper methods