add tests for form.changed? but don't run them as it's not clear, yet, how to find out if a collection has changed.
add tests for form.changed? but don't run them as it's not clear, yet, how to find out if a collection has changed.

mipearson/reform,Miralaw/reform,trailblazer/reform,gdott9/reform,joealba/reform,prosanelli/reform,eljojo/reform,swifthand/reform,eljojo/reform,halan/reform,Miralaw/reform,joealba/reform,bolshakov/reform,mipearson/reform,simonc/reform,prosanelli/reform,swifthand/reform,francirp/reform,bolshakov/reform,francirp/reform,halan/reform,apotonick/reform