* Added debugging in verbose mode to troubleshoot missing
gnu readline.

* Several other minor debugging fixes

* Allow '?' for 'help'

* Bump version to 0.19.1
Use v 0.20 instead of v 0.19.1
* Fixed bug preventing pdf doc from building.
* remove spurious option to pdflatex
	new file:   TODO
* Make README.pod with
  perldoc -u ./tridens > README.pod
  This is just for github