direct Perl translation [wip]
direct Perl translation (working)
transpose.pl bugfixes

split with limit gives the tail, we don't want it
whitespace

(custom-set-variables
 '(indent-tabs-mode nil))

new homedir. blergh.
transpose.pl - move method calls out of inner loops
transpose.pl - more method call reduction

stop using Range->new in stash_rowU, it gets many hits
transpose.pl - fewer method calls in loop
transpose.pl - (incomplete) plan to split the stash
transpose.pl [broken] - start to special-case passnum>1 storage

in Perl it should™ be faster to concatenate strings
 instead of collecting in a list and joining and garbage collecting

however this does require rowU_tell to be updated earlier
 which can't be done on passnum == 0
 because the keep_colU may decrease

(You get the idea.  I have other code to fix.)
nb. fudge factor