Fixed wrapping of util.stringwrap
Fixed stringwrap iteration bug.
Replace cgi.parse.
Merge branch 'master' into python3

Conflicts:
	wrw/form.py
Decode binary form input.
Make session.gennonce more sound.
Merge branch 'master' into python3

Conflicts:
	wrw/session.py
Apparently binascii.b2a_* returns bytes.
Fix typo.