bind datatype 'long' can't be deserialized
After storing an unsent form that holds a input field of datatype 'long', i.e.
the form can't be opened again, neither can the 'saved forms' list, due to exception:
//unhandled exception in gui-cl => java.lang.RuntimeException[Error deserializing bytestream for type [fg]; No datatype registration to serialization code [c9 55 48 ff]]//
orignally posted at https://groups.google.com/forum/#!topic/javarosa-developers/21iPw3gXmV8