Core Data Types (formerly Theory Comparison Interfaces)

Re-exports theory-neutral data types:

• CombinationKind: Three universal combination schemata
• BindingSemantics: H&K binding data types (Position, BindingConfig)
• ScopeTypes: Scope readings (AvailableScopes, BinaryScopeAvailability)
• ImplicatureTypes: Scalar implicature data types
• FelicityTypes: Felicity/oddness data types
• CoreferenceStatus: Coreference relationship status
• ExtractionMorphology: Cross-linguistic extraction marking
• VoiceSystem: Voice system typology
• AssertionTypes: Assertion outcome types