Merge pull request #12 from SlrG/master

Fixed recognition of movies with movie.nfo file.
Fixed recognition of multipart files and VIDEO_TS structures. I also moved some things around and changed them in an atempt to clarify the agent structure and make it more easy to add additional file recognition strings.
Merge pull request #13 from SlrG/multipartfix

Fixed recognition of multipart files and VIDEO_TS structures.