more complete html encoding escaping

Some titles still had escaped characters that weren't being unescaped.
Use python's builtin library to unescape them providing a more complete
and reliable decoding.
Merge pull request #3 from DigTheDoug/encoding-fix

more complete html encoding escaping
Reverse commit bfbff21a11ca21b2df573c1c5faf9683ec69cf92 "change series info to use seriesId rather than video"
Causing problems: http://forum.kodi.tv/showthread.php?tid=178693&pid=1856078#pid1856078
Up version to 1.3.6 to ensure anyone on repo gets (mostly) usable version
Merge pull request #1 from andrewleech/master

rebasing from master