Replace old timeout code with a ticker
Remove a few panic conditions from hostPortToNode.

it's not clear why the panics are happening. This should at least mitigate the damage.

Issue #26.
Remove panic condition from routintTable.Insert.

Fixes #25.
Fix crash in replyAnnouncePeer, closes #26
Update location of bencode repo
Merge pull request #28 from hollow/patch-1

Update location of bencode repo