Fix the pinger to use the last PONG time (I thought I did that before?) and don't send PING if they've sent us stuff since their last PONG since we know they're still there.
Make the starting bid level actually be the starting bid
Merge pull request #157 from ElementalAlchemist/bidserv-increment

Make the starting bid level actually be the starting bid
Merge pull request #153 from ElementalAlchemist/pong-fixes

Make sending PING from the server work a little more neatly