Added a mod_python-style (but better ^^) function multiplexer.
Merge branch 'master' into python3

Conflicts:
	wrw/__init__.py
Added a simple cache-helper function.
Save references to wrapped functions.
Try to unwrap functions passed to funplex.
Merge branch 'master' into python3

Conflicts:
	wrw/util.py
Set __wrapped__ in xhtmlresp as well.
Merge branch 'master' into python3
Replaced funplex with a more flexible class implementation.
Merge branch 'master' into python3
Set Content-Length in a couple of places.
Merge branch 'master' into python3
Merge branch 'python3' of git.dolda2000.com:/srv/git/r/wrw into python3