* Fixed 'LastPlayed' date used on movie 'seen' sync not accepting timestamp sent to trakt.tv. This is a bug in the API documentation and seems to only accept a epoch in UTC as an Integer.

* Added 'LastPlayed' sync to tv episode 'seen' sync to trakt.tv.

Created new namespace for our extension methods (there was a conflict one of them in MP-TVseries.dll. It's better this way anyway.