Log Message:
Update to 4.6:

4.6
This release contains sanitized aspect ratio handling, a simplified
tagging concept, an improved tiling algorithm, and several code
cleanups.

4.4
This release provides a totally new layout plugin structure and a
lot of code polishing.

4.3
This release contains certain major bugfixes, especially regarding
banning/unbanning client windows.

4.1
The status bar can now be toggled on the fly.  Several bugs were
fixed and a lot of code polishing was undertaken.