BEHAVIOR UPGRADE: unu now uses hestOpt.priority to put -i inputs early in definition order but last in parse order
removing note about needing to add comments to hest; done now
variable rename ZET_RSET_COUNT -> ZET_REVIEW_COUNT
more info on zet
added zet_review as new kind of test for assessing previous output files, without creating any new output, and put it to work on testing unu make
describing recent progress
trying to avoid reserved name usage, but this change is a little blind because its not being tested on Windows
addressing may be used uninitialized warnings about minPri and maxPri in hest__OPCheck