Moved proof of work to child processes.
Fixed double PoW on pubkey messages.
Consistent use of i as an iterator.
Refactored message status-related code
Merge http://github.com/Arceliar/PyBitmessage into Arceliar
Multi-core POW
Multi-core POW
Multi-core POW
Remove remaining references to the old myapp.trayIcon
Merge pull request #180 from Atheros1/master

Multi-core POW