Isolates Base58Check encoding from Base58 code/tests
Changes existing code to use new base58 API
Merge pull request #112 from dcousens/b58

Base58 isolation and preparation for Buffers
deprecate support for node 0.8 as we move to buffers
Bump version to 0.2.0
Fixes actual/expected parameter ordering
Merge pull request #116 from dcousens/patch-1

Fixes actual/expected parameter ordering