Fixed AttributeError about _sql for --query.
Made Abe.admin work with latest DataStore.
rev: tolerate None.
Added Bitleu genesis transaction.
Support Bitleu.
Trust RPC transaction hash, just log if Chain disagrees.
Add Bitleu script address version.
Bitleu uses 6 decimal places.
Fix syntax error.
Bug fix: close: discard stale cursor.
calculate_target: be more like Bitcoin source.
Test calculate_target.
Incomplete Maxcoin support: MerkleRootMismatch.
Maxcoin fixes.
Load from actual blkfile for testing.
Ignore errors in dropdb.
Bug fix: create db before loading.
Cleanup: not all Keccak coins use single-SHA256 tx hash.
Test Maxcoin a little.
Support X11 Pos coins