Uncommented peer-delete code so that linked peers don't clog the registry
Added error handling in the callbacks for _cleanUpPeers, and _initPeers.
Merge branch 'peer-delete' of https://github.com/zettajs/zetta into peer-delete
Added a return statement to halt execution per adam.
Merge pull request #112 from zettajs/peer-delete

Uncommented peer-delete code so that linked peers don't clog the registry