refactor sendData function
UTC time in pseudo-mailing-list broadcasts
strip addresses before use rather than saying invalid characters
smarter commits Vastly improves disk performance
Merge pull request #106 from Atheros1/master

UTC time in pseudo-mailing-list broadcasts
added knownNodesLock
Merge pull request #107 from Atheros1/master

smarter commits Vastly improves disk performance. Also added knownNodesLock