mb search ignores anything after '(' in local song or album

This is to allow for a match where the local album is something like
Greatest Hits (US Release) and musicbrainz has the ablum as Greatest
Hits
fixed structure of musicbrainz artist search
fix so that playing_title has value even if item has no '(' in it
changed name of new files to put them at top of directory
added ability to create exclusion list of files
additional file exclusion code
cleanup of musicbrainz lookup code
catch addition errors when downloading images
updated cache trim to leave .nfo files intact
place musicbrainz ID in memory for playing artist
updated changelog
fix to account for str.find() returning -1 if nothing found
fix for json ValueError causing crash
catching ValueError from json
updated saveURL to use writeFile function
significantly more error handling and logging
updated changelog