dclass: bugfix: Fix silly errors in parse_value
dclass: Redefine the file interface.
dclass: Add Hashable class.
dclass: Implement the change to File's API.
dclass: Update and implement DistributedType's API.
dclass: Revert to not having a Hashable type, will probably cause inheritence nightmares.
dclass: Update KeywordList.
dclass: Rewrite Field.