test genesis hash
BigInteger comparison needed
start implementing serialize() and dependent functions
have to look into Trie root hash
fix state_root of Trie
(does not have simplifications of pyethereum b67a2b2fa76da2a257204400c0589bf2a751e20d)
fix Trie root hash
verify hex_hash
genesis properties test passes; need to update others
fix Trie rootHash tests
rm covered test
Merge branch 'block'.  Validate all genesis block properties and Trie fixes