added a couple of new rules to the README.md PubNub Main Spec Doc.
added a couple of new rules to the README.md PubNub Main Spec Doc.

jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api