v0.2.0

• fix: ids are always strings (incorrect in docs for this entity)
• fix: some models are extension of other models
• removed two unused bogus models
• fix: don't break on safe int to string (and vv) property assignments
• auto generated model tests based on json examples
• fixed model property issues/mismatches found by new tests

Full Changelog: v0.1.0...v0.2.0