Changes

[Enhancement #294] Add missing Short and Byte references to OWL DatatypeTransformer
 (commit: c48191d)

[Enhancement #294] Add DatatypeTransformer wrapperToPrimitive method

- converts Wrapper classes (e.g. Integer.class) to their corresponding primitive counterparts (e.g. int.class)
 (commit: 0666a34)

[Enhancement #294] Add support for primitive datatypes as fields

- remove MetamodelInitializationException thrown in ClassFieldMetamodelProcessor
- check if Wrapper type can be converted to primitive type in DataPropertyFieldStrategy
 (commit: 85548f1)

[Enhancement #294] Add support for Character Java type
 (commit: c6fb3e8)

[Enhancement #294] Add support for primitive char Java type
 (commit: 6093791)

[Enhancement #294] Implement PR suggestions
 (commit: d5cf6fe)

Simplify SOQL grammar (#300)

* Simplify Soql grammar

* Simplify Soql ORDER BY and GROUP BY clauses

* Replace Soql param with simplePath

* Extend Soql grammar

* Replace Soql identificationVariable with IDENTIFICATION_VARIABLE

* Align Soql comparisonOperator operation with reference

* Extend Soql literal

* Replace Soql whereClauseValue

* Align Soql grammar to JPQL
 (commit: 5775d41)

[GH-301] Extract identifier metamodel setup into a reusable function.
 (commit: bbde901)

[GH-301] Extract singular attribute setup into a reusable function.
 (commit: 1b17cd8)

[GH-301] Extract plural attribute (except lists) setup into a reusable function.
 (commit: 86c0d91)

[GH-301] Extract list attribute, properties and types mock initialization into reusable function.
 (commit: 71d6e2c)

[GH-301] Extract entity type mock initialization into reusable function.
 (commit: 339757f)

[Bug #306] trigger LazyLoading in contains method
 (commit: 972f1eb)

[Bug #306] trigger LazyLoading in remove method
 (commit: 3f8f480)

[Bug #306] override removeTriggersLazyLoading test in OWL integration tests to account for implementation differences
 (commit: 80e41a1)

[Upd] Update RDF4J to 5.1.0.
 (commit: d75a9fb)

[2.2.2] Bump version, update changelog.
 (commit: 4ea77c4)