laying groundwork for constant propogation during serialization
always forget about bools, adding to IsConstant test
starting on constant propagation for object members ; stopgap commit
first whack at detecting (and testing) constant fields and properties and pre-converting them to JSON
fix a couple bugs with constant propagation around unsigned types
always forgetting about the booleans, seriously
fix a missed constant propagation case, add a speedproof test (about a 4x speed up when applicable)