Added xmlXPathCompiledEvalToBoolean() to the API and adjusted/added * xpath.c: Added xmlXPathCompiledEvalToBoolean() to the API and adjusted/added xmlXPathRunEval(), xmlXPathRunStreamEval(), xmlXPathCompOpEvalToBoolean(), xmlXPathNodeCollectAndTest() to be aware of a boolean result request. The new function is now used to evaluate predicates.