Form now support different methods rather than just GET/POST and will create a hidden HTTP_REQUEST_METHOD by default
Dev server now respects public directory
Sessions id's now stored correctly in cookies, request cookies added to response if modified.
Writing more idiomatic python, modified exception views to be easier to process visually.
Post Redirect Get now accessible via redirect() and redirect_vars
Args mistakenly getting populated by kwargs
Delete the session data for PRG
Ability to prevent termination of styles and colors
Removed optparse and replaced with argparse as deprecated
Introduced Raymond Hettinger's ignored contextmanager
Using ChainMap rather than update
Sorted request attributes