Block-level cache plus journaling
Merge branch 'db_write_caching' of github.com:ethereum/pyethereum into blockcache
Added post and suicide tests
Merge branch 'db_write_caching' of github.com:ethereum/pyethereum into blockcache
requirements fix
logging vm ops off by default
merge
Merge branch 'master' of github.com:ethereum/pyethereum into blockcache