increase CHAIN_LENGTH to what it should be - 24 hours
bring all testnets into sync with their mainnets, unfortunately breaking compatibility
set change to REAL_CHAIN_LENGTH for one month in the future
remove data.OkayTracker.add
moved chain_length up so it can be used in assert
cleaned up compute
fix multiple longpolls
clean up signaling in main
fixed bug in tail ranking where output was essentially reversed
only save shares in best chain
removed HeightTracker's backing
fixed bug where HeightTracker updating could cause set_real_work2 to prematurely run
only cache last 1000 block headers
don't save transactions of all shares, moved sigop check to Share.check
removed sqlite addrs.dat, replacing it with a text file per network. should be much more foolproof!
made all cache files be saved in data/
cleaned up --help text
incremented p2p protocol version
set stale confidence to 95% and remove confidence display
added erf to util.math to support python 2.6