erica/NSDate-Extensions — pull request #59 by gamenerds (2014-11-23 01:45:03+00:00)
Title: Updated usage of week to weekOfYear & tested

“Week” was deprecated in iOS7. Dec 31 ’14 (Wed) is still same week as
Jan 1 ’15 (Thu). weekOfYear is the right one to use (available in iOS 5
and later). weekOfMonth would return 5 for one, 1 for the other.

@erica This fixes issue #54 and fixes issue #52