don't ask for peers in hello
tuned log messages and levels
move non network code to eth.py
move non network code to eth.py .
no inplace modification
add pub_key, client_id to config
remove inadvertently re-commited the code expected to be removed
close #45
close #44
close #40
close #40: down key limitation to 32 bytes
add a fail scenario
add tips for debug in readme
message handling between the chain and the network
Merge https://github.com/ethereum/pyethereum into wire_to_chain_x
1. clean codes
2. close #41
Merge pull request #48 from brainbot-com/wire_to_chain_x

Wire to chain
rlp test improved
nibble_packing test improved
improve test code for trie