added root project for the helpers
old array helper removed
pod file for the project added
old code cleaned
classes renamed in order to use unified prefix
core data model and entity added for tests
changed old hash format for new
core data helper tests added
http client for tests added
added id property to the test model and json root as nil
response fixture file added
managed object test added
unit test project settings fixed
refactoring of the managed object helper. all ambiguous names replaced
Revert "old array helper removed"

This reverts commit 7b8357f96926c0fc909cd107ff2938929d94ac25.
guard file added
Merge branch 'master' of https://github.com/ap4y/cocoa_helpers
cleaned array helpers returned
array helpers tests added
fetch request category tested