Merge pull request #7 from Sakujakira/master

Duplicated Genre in Plex
Merge pull request #8 from Sakujakira/master

Problem with "movie.nfo" files resolved.
Strip off anything that can come after the xml content, also in the update method.
Get clean MPAA rating in case the <mpaa> value is a sentence (e.g. 'Rated PG-13 for continuous crude and sexual humor, including language').
Merge pull request #9 from sander1/master

Strip off anything after the end of the xml (in update method). MPAA rating fix.
Merge branch 'master' of https://github.com/gboudreau/XBMC-Movies-Metadata-Agent-for-Plex
Revert "Get clean MPAA rating in case the <mpaa> value is a sentence (e.g. 'Rated PG-13 for continuous crude and sexual humor, including language')."

This reverts commit b244d4c73a86d00bf316adf5e8725ee8f2698205.