Changes

[Feature #50] Add LexicalForm annotation, its detection in metamodel
processing and validation of its usage.
 (commit: 4054a53)

Simplify initialization of attributes in metamodel.
 (commit: f87bdb2)

[Feature #50] Load lexical form into entity field.
 (commit: 090bdd7)

[Feature #50] Replace LexicalForm annotation with a parameter on
OWLAnnotationProperty and OWLDataProperty.
 (commit: e4f8220)

[Feature #50] Verify support for loading lexical form.
 (commit: f9ea6fb)

Remove check for transient field in the setter aspect.
If the field is transient, it must have been already rejected by the
metamodel builder.
 (commit: fad3001)

Refactor BeanListenerAspect to provide more efficient field inferred
status validation.
 (commit: 88091be)

[Feature #50] Prevent modification of attributes with configured as
lexical form.
 (commit: 4b76e5f)

Validate attribute modification when merging detached instances into the
persistence context.
This means for example checking that an inferred attribute has not been
modified.
 (commit: 71f544c)

Support recursive entity descriptors (pointing to themselves).
For entities related to instances of the same class, the relationship
may be transitive. One can then want to define a descriptor for this
transitive relationship. A recursive descriptor would allow it.
 (commit: f4691f8)

[Task #54] Change Descriptor API to allow access to attribute context
and support configuration of whether property assertions should be in
the subject's context.
 (commit: f670a60)

[Upd] Update Descriptor API to provide better code flow.
 (commit: 0df979d)

[Task #54] Use the new descriptor API in OOM for loading.
 (commit: 3f8d190)

[Task #54] Test new descriptor behavior (persist, retrieval). Fix
discovered issues.
 (commit: 7f37e7c)

[Task #54] Test new descriptor behavior (update, delete).
 (commit: 520bf96)

[Refactoring] Transition integration tests to JUnit 5, test code
improvements.
 (commit: 1ed698b)

[Doc] Improve documentation of mapping annotations.
 (commit: 4148338)

[Fix] Actually use the load all threshold configuration in Sesame
driver.
 (commit: f6e485d)

[Refactoring] Reduce duplication in OWLAPI driver.
 (commit: 227dbd4)

[Deprecation] Deprecate language setting for OntoDriver. Language is set
on PU-level and the driver uses language specified by assertions.
 (commit: 756bed3)

[Refactoring] Use assertion language in Sesame driver.
Remove all usage of driver-level language configuration from Sesame
driver. Only assertion language will apply from now on.
 (commit: b6858e9)

[Refactoring] Further language handling simplification in the Sesame
driver.
 (commit: a756950)

[Refactoring] Use assertion language in OWLAPI driver.
Remove all usage of driver-level language configuration from OWLAPI
driver. Only assertion language will apply from now on.
 (commit: cc551fe)

[Refactoring] Use assertion language in Jena driver.
Remove all usage of driver-level language configuration from Jena
driver. Only assertion language will apply from now on.
 (commit: 5f287cf)

[Refactoring] Remove last usage of language config parameter for
OntoDriver.
 (commit: 281f27a)

[Fix] Include language in assertion equals/hashCode. Consider null
language as language not being set.
 (commit: 2520760)

[Feature #53] Add simpleLiteral attribute to
OWL(Annotation/Data)Property to mark attributes mapped to RDF simple
literals.
 (commit: 01b6f2c)

[Feature #53] Configure simpleLiteral attributes when building
metamodel.
 (commit: cdd7e1a)

[Feature #53] Support loading simple literal values (including tests).
 (commit: 3e45b95)

[Fix] Add missing implementation of toAxiomValue in
ToLexicalFormConverter.
 (commit: 48c72ad)

[Feature #53] Add support for saving, updating and removing simple
literal values.
 (commit: 42e23d9)

[Task #42] Transition tests in JOPA API, OntoDriver API and integration
tests to JUnit 5.
 (commit: 7dc267e)

[Upd] Update to SLF4J API 1.7.26, OWLAPI 5.1.11, Jena 3.12.0 and RDF4J
2.5.3.
 (commit: fe2b37c)

Add a more prominent mention of TermIt to readme.
 (commit: be4d108)

[Fix, Task #54] Fix usage of reference saving resolver to use the target
instance context when checking for its existence.
 (commit: 9908cb0)

[Upd] Update maven plugins.
 (commit: 282d583)

[Fix] Fix incorrect handling of authentication credentials when
initializing RDF4J remote repository connection.
Replace usage of the deprecated ForwardChainingRDFSInferencer with
SchemaCachingRDFSInferencer.
 (commit: 9cd2ce6)

[Doc] Update documentation/javadoc/comments.
 (commit: 721d27c)

[0.13.0] Bump version and update release notes.
 (commit: 7759735)