added support for the playqueueedit move command
added support for the playqueueedit remove command
added support for the playqueueedit add next command
respect coding convention and changed log level
announce support of playlist editing by setting "msed" to 1
add songs for album or artist ordered by album
Merge pull request #20 from chme/playqueue-edit

Added support for move, remove and add-next
Revert msed to 0 for now