Reduce sedding, awking, pipelining in the "--query" handler

[clarity20]

Further Cygwin-side speedups: Apply the techniques used elsewhere in fasder and discussed in the Optimization section of the README to the following section near the top of the "--query" handler:

if [ "$fnd" ]; then # dafault matching
[. . . about 30 lines . . .]
else # no query arugments