Send library version with semver format

Conflicts:
	Simperium/SPWebSocketInterface.m
Move library/version strings to consts, API to define

Conflicts:
	Simperium/SPWebSocketInterface.m
Issue #166: Bumping up API Version to 1.1
Issue #166: Properly handling new cv:? message

Conflicts:
	Simperium/SPWebSocketInterface.m
Issue #170: Nuke 'auth:expired' message support