NSDictionary dictionaryByCleansingDictionary now returns whatever type of dictionary you passed to it (NSMutableDictionary or NSDictionary)
cleanse dictionary right when its received
returns exclusively NSDictionary
NSArray category. Now when dictionaries are cleansed upon being recieved, we also cleanse whatever array is inside the dictionary (mutually recursive).
addressed comments
get rid of awkward header
Merge pull request #20 from venmo/ls/cleanse

Ls/cleanse
Merge branch 'master' into ls_get_friends

Conflicts:
	VENCore.xcodeproj/project.pbxproj