Updating versions of redis and async used

The versions of redis and async are really out of date. Updating.
Updating redis to valid version
Fixing issue with HAMulti extension of Redis Multi

HAMulti was referencing a non-existing property "client" instead of "_client" of the extended Redis Multi class
updating tests for node_redis 0.10.0
fix method collision with .debug(), refactor logging to use new method .logMessage()
re-import node_redis test and fix crash on reply_parser check
disable strange assertion of number of connected clients to the server