Changed iterator
Merge branch 'master' into develop
Merge branch 'master' into develop
Refactored CALLDATALOAD to use big int

* Added BigMin
Refactored state, state object and vm

* The State and StateObject have been moved to their own package
* The VM is moved to it's own package
Merge branch 'master' into develop
Minor improvements and fixes to the new vm structure
Added big int to uint switch
Merge branch 'develop' of github.com-obscure:ethereum/eth-go into develop
Merge branch 'master' into develop
div 0 err
Refactored to new state and vm
Add Tx
Changed catching up code & peer handler

* Peers should be added no matter what
* Catch up with _anyone_
Added recoverable option
Removed old code
Peer reconnect attempt
Networking code
Merge branch 'feature/refactor_vm' into develop
Added update method and general service timer

* disable catching up if no block received for longer than 10 seconds