fixed dest_file when file is in the root
added src_rel_path on move operations
Merge pull request #6 from vidiben/master

dest_file for files located at the root of the watched directory
added comment about new $src_rel_path
Merge branch 'master' of github.com:greggoryhz/Watcher
ran 2to3
changing a call for py3.x
Merge branch 'py3.x' of github.com:greggoryhz/Watcher into py3.x