* [NOD-375] Move to pkg/errors * [NOD-375] Fix tests * [NOD-375] Make AreErrorsEqual a shared function
* [NOD-101] Create a bucket for utxo diffs * [NOD-101] Add error when diff data is not found * [NOD-101] Fix serialization comment
* [DEV-97] Moved github.com/daglabs/btcutil into github.com/daglabs/btcd/btcutil. * [DEV-97] Updated Gopkg.toml to no longer refer to btcutil. * [DEV-97] Renamed btcutil to util.