Log Message:
Never version of bzrtools: 2.4.1.

Changelog:

September 24 2011
* Fix compatibility with bzr.dev (Jelmer Vernoij)
* Remove unused imports (Jelmer Vernoij)
* Fix bug #263065 (Andi Albrecht)
* Rename 'branches' to 'list-branches', keep 'branches' as alias if not built
  in.
* RELEASE: bzrtools 2.4.1

July 13 2011
* Fix compatibility with bzr 2.4 export API
* RELEASE: bzrtools 2.4.0

June 27 2011
* import supports .tar.xz and tar.lzma files (Jelmer).
* deprecated_graph functionality migrated from bzr (Jelmer).

May 9 2011
* Support non-ascii tarballs.

April 27 2011
* DiffWriter provides writelines method (Jelmer).

April 26 2011
* Stop using deprecated failIfExists/failUnlessExists in test suite.
* Stop using deprecated tree_files.
* bzr shell works on systems without readline support. (Martin [gz])
* setup.py doesn't execute on import (Robert Collins)

April 12 2011
* zap --store uses pipeline to store uncommitted changes.

February 14 2011
* bzr shell logs exceptions quietly (Martin [gz]).

February 1 2011
* Fix Python 2.7 incompatibility
* RELEASE: bzrtools 2.3.1