adding validation based on the subdomian
Add a reset_session method that only resets the current subdomain's data
Allow users to be signed in from a different subdomain
Make threadsafe
Don't overwrite 'session'. Instead provide 'subdomain_session' accessor methods
Add :delegate option to acts_as_restricted_subdomain
Fix updates and deletes when using the :delegate option
Readonly fix
Use Ruby 1.8 Hash syntax
Rails 3.2 fix
Add Subdomain.sans_subdomain
Subdomain.sans_subdomain should return the result of the block
Add with_subdomain method, change sans_subdomain to without_subdomain
subdomain_session was a bad idea. session should simply respect Agency.current
Allow easy override of the subdomain (for tests)
Merge pull request #4 from consolo/global_users

Merge the "global users" changes into master.
Add back in session=
Make each_subdomain thread-safe
Add concept of global subdomains
Add some controller helpers for handling subdomain restrictions