Merge pull request #2 from rjbs/master

avoid non-quantifier non-parameter warning on 5.17.1
replace all lexical topic with local topic
replace the use of ~~ with old timey constructs
add a shebang line to hypertest
eliminate ~~ in unifont
eliminate ~~ in unichars
replace ~~ in unilook
allow ~~ in unichars criteria (for now?)
ready it for a new release