MANTA-75 enable second half of candidate-edge match filter
MANTA-75 add debug detail and remove no-effect iter window

MANTA-105 docs
MANTA-75 extend assembly to larger word sizes based on observed FN del

This FN came up from turning on the second half of the m75 fiter, presumably
because of small changes to the assembly region, allowing for a longer repeat
word to enter the set fo candidates.
MANTA-75 don't let assembly word size shrink within a region
update cl