renamed from getSubmissions to get USerSubmissions - more accurate description of what it does
renamed from getComments to getUserComments - more accurate description of what it does
Extracted enums from Submissions, added endpoint constant for getSubmissions rather than relying on manual string building
Updated RedditServices to get submissions for a subreddit.  Updated submissions to use RedditServices. Updated SubmissionListingItem to handle the reddit api's use of multiple data types in a single field...
un-wildcarded the import