Internal refactoring  - cleaned up reuestMatchesAndFriends
Internal refactoring  - cleaned up reuestMatchesAndFriends

Added private selectors
+(NSSet *)SH_collectPlayerIdsFromAttributeForMatches:(NSDictionary *)theMatchAttributes attributeForFriends:(NSDictionary *)theFriendAttributes;
+
+(NSOrderedSet *)SH_filterOutFriendsFromPlayers:(NSOrderedSet *)theSetOfPlayers withFriendIds:(NSOrderedSet *)theSetOfFriendIds;

seivan/SHGameCenter,tkjune/SHGameCenter,tkjune/SHGameCenter,tkjune/SHGameCenter,seivan/SHGameCenter,seivan/SHGameCenter