#66 Brief help messages

[Jim Monte]

It would be helpful to print brief help information in addition to links to the web pages with help manuals. That has been done in branch beta_jdm.

$ git log -n 1 --pretty="format:commit %H%nDate: %cD%n%n%B%n"
commit 52d0091859bb727c42bc435464c1a2c07ff2c51d
Date: Mon, 16 Dec 2019 01:40:25 -0500

Added basic help messages in addtion to reference to web pages