add: finalize and verify blocks
fix: verify blocks
PoC5 updates
Merge branch 'master' of github.com:ethereum/pyethereum
Fixed up a few things to make create work
fix: recursive imports
merge
fixes and checks
removed potentially stale state_root member
removed potentially stale transaction_list_root member
cleaned up transaction handling
add: convenience methods
refactored miner to update on transactions
reorganized imports
applying block reward before transactions. the mining used when mining
adjust to refactored add_transaction_to_list
add: PUT transaction
fix: dont request tx on pong
moved broken de/serialization concept to peermanager
cleanup, fixes & debuginfo