add comments to constants
add properties wrapper with nicer interface
make keys longs to avoid collisions
oops missed change in refactoring
service WIP
hack to allow building
Merge branch 'master' of github.com:tetrapods/core

Conflicts:
	Tetrapod-Core/definitions/Core.def
	Tetrapod-Core/src/io/tetrapod/core/Session.java
	Tetrapod-Core/src/io/tetrapod/core/TetrapodService.java
	Tetrapod-Core/src/io/tetrapod/core/protocol/Entity.java
	Tetrapod-Core/src/io/tetrapod/core/protocol/RequestHeader.java
	Tetrapod-Core/src/io/tetrapod/core/protocol/ResponseHeader.java
	Tetrapod-Core/test/io/tetrapod/core/SessionTest.java
more hacks to get it to build