Changed User-Agent to retrieve images, was unautorized on trakt.tv. Now using Mozilla/5.0
added new merge_info(show, info) for libs needing full info to complete standard show dict
Fixed regex
added merging of full info into standard show dict for libs who need it, like trakt.tv . If merge = True in lib, will cache details for every shows at first list download. Also fixed episode changing when has seasons, now should be able to change seasons
Added missing functions: search (from thetvdb, better than trakt.tv), request_info, merge_info