fix ActiveRecord.to_json
fix ActiveRecord.to_json

This could be implemented using the same technique
being used in ActiveRecord as_json

wesbillman/projects,crewmate/crewmate,rahouldatta/teambox,alx/teambox,vveliev/teambox,irfanah/teambox,codeforeurope/samenspel,codeforeurope/samenspel,irfanah/teambox,ccarruitero/teambox,irfanah/teambox,alx/teambox,teambox/teambox,rahouldatta/teambox,nfredrik/teambox,nfredrik/teambox,teambox/teambox,irfanah/teambox,crewmate/crewmate,teambox/teambox,nfredrik/teambox,crewmate/crewmate,ccarruitero/teambox,vveliev/teambox,wesbillman/projects,nfredrik/teambox,vveliev/teambox,vveliev/teambox,rahouldatta/teambox