Added a note about Constants.h
Added a note about Constants.h

andreaperizzato/libPusher,alloy/libPusher,hamchapman/libPusher,lukeredpath/libPusher,alignd/libPusher,LoyoChengdu/libPusher,andreaperizzato/libPusher,alignd/libPusher,hamchapman/libPusher,lukeredpath/libPusher,hamchapman/libPusher,hamchapman/libPusher,lukeredpath/libPusher,andreaperizzato/libPusher,alloy/libPusher,alloy/libPusher,alignd/libPusher,andreaperizzato/libPusher,lukeredpath/libPusher,LoyoChengdu/libPusher,alloy/libPusher,LoyoChengdu/libPusher,LoyoChengdu/libPusher,alignd/libPusher