* [DH_ACTION,EXT] Added deductions/1 and lifetime/1 for use in DH_EVALUATION.
* [DH_ACTION,FIX] Existing triples cannot be deduced (move to justifications later...).
* [DH_ACTION,EXT] Add support for literal-replacing bnodes in the subjec term position.
* [DH_AGENT,DH_CYCLE,EXT] Added evaluation step.
* [DH_EVALUATION,NEW] Added deduction-based fitness evaluation.