Merge branch 'hotfix/0.2.2-1'
Fix error in call to NewIterator function

Change number of args passed to NewIterator in print function to reflect changes in the goleveldb project.
Merge branch 'goleveldb_fix' into develop
leveldb API changed for NewIterator. Fixes #20
Added a GetKeys method to support multiple accounts
Updated readme#trie
Added BigCopy
Conform to Db interface
Merge branch 'release/0.3.0'
Merge branch 'release/0.3.0' into develop
Merge branch 'develop' of https://github.com/james-c/eth-go into james-c-develop

Conflicts:
	ethdb/database.go
Fixed shutting down
Bump
Merge branch 'hotfix/0.3.1'
Merge branch 'hotfix/0.3.1' into develop
Reactor implemented
Updated block to use state instead of trie directly
PoC reactor pattern
Trie's are no longer referenced directly but through State instead
Renamed Address to Account