fix/156 add payload socket.close() test
Clear all timers on socket close
clear timers in onClose
Merge pull request #161 from jphire/master

fix/#156 add test for calling socket.close() in payload
Merge pull request #172 from Raynos/master

Clear all timers on socket clos
socket: clear timer after sending one noop packet (fixes #174)
Release 0.6.0
package: update engine.io test dep
Merge branch 'master' of git://github.com/LearnBoost/engine.io into open-data