calling the "hash" attribute on SCrypt::Password "hash" breaks standard ruby behavior. ruby needs to be able to calculate the hash of an object for lots of under the hood reasons. following bcrypt-ruby's lead, the attribute has been renamed to "checksum".
changing the public interface of the password object is not backwards-compatible. thus, the major version change.
checksum -> digest
Merge pull request #31 from cookrn/cookrn_fix_hash_breakage

Fix "hash" Breakage