sdml-core 0.2.1

Core Model for Simple Domain Modeling Language (SDML)
Documentation
# Crate sdlm_core

Rust in-Memory model of the Simple Domain Modeling Language (SDML).

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## Changes

**Version 0.2.1**

* Feature: Remove member groups.

**Version 0.2.0**

* Feature: Update to latest grammar.
  * Remove Value Variant numeric values
  * Update formal constraints
  * Add type classes

**Version 0.1.11**

* Feature: Update `Cardinality::to_uml_string` to output constraints.
* Fix: Missing features in mapping types and values.

**Version 0.1.10**

* Feature: Added support for `mapping_type` and `mapping_value` rules.

**Version 0.1.9**

* Style: Run Cargo format and clippy

**Version 0.1.8**

* Feature: Made the name for constraints required, not `Option`.
* Style: Remove most macros from the model.

**Version 0.1.7**

* Fix: Minor fixes

**Version 0.1.6**

* Build: Updated parser with grammar changes in tree-sitter-sdml v0.1.29

**Version 0.1.6**

* Build: Updated parser with grammar changes in tree-sitter-sdml v0.1.26

**Version 0.1.5**

* Created a `stdlib` module and moved all the SDML and relevant RDF files into it.
* Updated model to the same level as `tree-sitter-sdml` version `0.1.21`.
* Updated `tree-sitter-sdml` dependency with updated constraints.
  * Renamed `TypeDefinition` to `Definition` to address the fact that property definitions aren't types.
  * Renamed `EnumVariant` to `ValueVariant` to align with `TypeVariant` on unions. This required change to walker methods.

**Version 0.1.4**

Previously part of a single crate [sdml](https://crates.io/crates/sdml).