Kotlin support and more

This release adds significant support for Kotlin:

• A new @DataPartial annotation allows generating Partial Kotlin data objects similar to @AutoPartial in Java
• Changes to the annotation processor to ensure it scans Kotlin data objects correctly
• You can use @StorageName("") to define that a field should not be stored in the database
• all parent references to collection/table are now getters, allowing a dynamic override of getTable() or getCollection() if needed
• Version bumps of dependencies