rcov is weird
Add docs for MapperRegistry::Identifier
Make all MapperRegistry @api private
Add @examples and make RelationRegistry#[] @api public
Add doc examples for RelationNode::VeritasRelation
Add doc examples for RelationRegistry::RelationNode
[WIP] Break down finalizer into 2 sub-classes
[WIP] Add specs for base relation and relationship mappper finalizers
Make Attribute#clone remember its options and add specs
Follow heckle spec file naming conventions
Add specs for DataMapper::Mapper#attributes
Add specs for DataMapper::Mapper#model
Add specs for DataMapper::Mapper#relationships
Add specs for DataMapper::Finalizer.call
Remove Finalizer.run in favor of Finalizer.call
Finalizer#mappers entries respond_to?(:relation_name)
Add missing @return tag for NodeNameSet#each
Add docs for RelationRegistry::Builder
Add docs for RelationRegistry::Builder::BaseBuilder
Add docs for RelationRegistry::Builder::ViaBuilder