Rewritten to better incorporate the idea of ensured-delivery.
Rewritten to better incorporate the idea of ensured-delivery.

Basically I've fixed architectural failings of the first release. This should be far more stable than it has been previously with hopefully not too much increased overhead.

maximeloizeau/node-apn,futurice/node-apn,node-apn/node-apn,argon/node-apn,guytuboul/node-apn,tempbottle/node-apn,hilllinux/node-apn,madshell/node-apn,telerik/node-apn,guoyu07/node-apn,F4-Group/node-apn,lopper/node-apn