fix transaction fields check; add makeTx()
tx needs buffers
should validate accounts in series
print balances for dbg
starting state sysops tests
TO must also be a buffer
balances are matching
need to lookup storage async
need to check sha256
fix SHA256
fix RIPEMD160
extensions use zero gas if not enough provided; fixes gas99 tests
fix crash when invalid v provided
fix invalid sig handling

https://github.com/ethereum/ethereumjs-lib/issues/25
verify empty accounts
fix for CallEcrecover2
fix check for empty account
get secp without DEBUG_CHECK
use bignum for v and truncate if too large
all precompiled contracts tests passing

https://github.com/ethereum/ethereumjs-lib/issues/34