Not all Tornado projects decorate tornado.web.Handler's methods using @asynchronous.
This "patch" allows customization of CorsMixin "options" method decorator.
Allow customization of Handler method decorator (tornado.web.asynchro…
…nous is just the default)
Doc for new feature
Hey, @tatiana thanks for the pull request! Only one small problem: the build is failing under python 3. If you can fix it, I'll definitely merge this.
Improve make test (so pdb works ;))
Test compatible with Python 3
Thanks @gcirne ! Sorry, hadn't run the tests under Python 3. Just fixed :)