Fix applying a rule multiple times.#507

bnouwt merged 1 commit intomasterTNO/knowledge-engine:masterfrom

440-prevent-the-same-knowledge-base-to-be-contacted-multiple-times-in-a-single-interactionTNO/knowledge-engine:440-prevent-the-same-knowledge-base-to-be-contacted-multiple-times-in-a-single-interactionCopy head branch name to clipboard