speed up #get_txouts_for_hash160
debug p2sh inner script
cleanup known_exceptions handling
fix difficulty validation
ignore inv's for objects already in the database or queue
compute/verify merkle branch

this can be used to connect a transaction to a block header
without access to the whole tx list
log missing prev outs
checkpoints
fix eventmachine madness with queue workers
electrum server
electrum server SSL, HTTP and HTTPS transports
electrum server SPV commands
electrum server IRC connection
fix parameter parsing
cache merkle branches
support electrum protocol v0.5 and cleanup
fix address history and status hashing
don't send method and params back, get_header command, cleanup