venomous0x/WhatsAPI — pull request #66 by arthursc (2012-09-16 18:33:22+00:00)
Title: Added ping response to keep the connection open

Added Pong function (to respond on Whatsapp's PING request): http://xmpp.org/extensions/xep-0199.html#c2s server to client ping
Added IF to handle incoming PING requests in processInboundData