Add tests for locator strategies
Use Webrat::Methods for Merb and Rails integration
Get file uploads workign with merb
Use a stack for #within to support nested scoping and implicit receivers
Fix #within scoping for forms that exist outside the scope
Make current_url work with redirections
Track the current form based on the location of the last manipulated input, use this as a default for click_button
Verify SSL support in Rails and Merb