(a) The court has exclusive jurisdiction of proceedings in this State concerning the administration of a trust.
(b) The court has concurrent jurisdiction with other courts of this State of actions and proceedings involving a trust, including:
(1) Proceedings to determine the existence or nonexistence of trusts created other than by will;
(2) Actions by or against creditors or debtors of trusts; and
(3) Other actions and proceedings involving trustees and third parties.