How to install bzrtools:
All the tools are plugins, so you can install them in your plugins directory.
IT IS IMPORTANT TO MOVE/COPY THE BZRTOOLS DIRECTORY, NOT ITS CONTENTS.

$ mv ~/bzrtools ~/.bazaar/plugins/
You may have to create the plugins directory first.

Alternatively, you can install them at the system-wide plugin location:
$ sudo ./setup.py install

You can test whether they are successfully installed by doing 
"bzr zap -h"

Optional Dependencies:
rsync          - used by rspush
diff           - used by shelve and unshelve
patch          - used by shelve, unshelve and patch

Getting
If you want to test your install:
/path/to/bzrtools/test.py [/path/to/bzr]
