Enhancment: Optional redirect to "Add Objs' Props" after inserting "Occurrence"
Bugfix+Enhance: When adding *Objects' Properties* only the defined Obj's must be saved. Also added Obj position.
Enhance: Matching DO/IO order using ``preg_match+array_search``.
Bugfix+Enhance: Resolves issues and improves the management of Objects' Properties.

It is now possible to add and see the current Properties of each Occurrence's
Objects.

BUGFIX: Closes #2
Enhance: Style enhancements and added a changelog.