Merge pull request #6 from wilcoholic5/master

Added APIInterpreter, Referral Block, DTOs and unit tests.
added APIManager and Router uberstubs
made changes to APIManager.php
added APIManager callback to APIBuilder
added svem.php - server emulator
made several changes to reflect new understanding of the architecturemade several changes to reflect new understanding of the architecturemade several changes to reflect new understanding of the architecturemade several changes to reflect new understanding of the architecturemade several changes to reflect new understanding of the architecturemade several changes to reflect new understanding of the architecturemade several changes to reflect new understanding of the architecturemade several changes to reflect new understanding of the architecturemade several changes to reflect new understanding of the architecture
added ConnectionManager.php
finalized register/unregister in APIManager, ConnectionManager
more mods - splObjectStorage work in ConnectionManager.php
ConnectionManagerTest added
started APIServer
added APIListener and subclasses, integrated APIBuilder and
APIInterpreter in APIManager calls
Started integrating APIManager with Interpreter and Builder