Fixed updates filtering "null" being set, it now properly allows you to update a field to a  null value.
Fixed updates filtering "null" being set, it now properly allows you to update a field to a
 null value.

qoqa/lithium,SensCritique/lithium,jails/lithium,mehlah/lithium,pixelcog/lithium,UnionOfRAD/framework,mehlah/lithium,wbeater/lithium,davidpersson/lithium,qoqa/lithium,muyehub/lithium,graphis/lithium,whowgames/lithium,jails/lithium,datachand/lithium,muyehub/lithium,SensCritique/lithium,graphis/lithium,wbeater/lithium,UnionOfRAD/lithium,datachand/lithium,m4rcsch/li3_framework,whowgames/lithium,pixelcog/lithium,m4rcsch/lithium-core-library,davidpersson/lithium,UnionOfRAD/lithium,m4rcsch/lithium-core-library