First draft of a major README update.
Updated install instructions in README file; now only one dependency needs to be installed manually on a Mac.  utidylib replaced with pytidylib. util.py updated to work with pytidylib.
Fixed IndexError: list index out of range when no BASE_HREF file is present.
more changes to instructions for installation.  still holes to fill.
tweaks to make it easier to install locally or in a virtual server / sandbox setting
Added several folders and local env file.
Installation instructions updated for Mac and sandbox / virtualhost
A few markdown formatting fixes and edits to the install instructions
Formatting: added inline code
Formatting: testing fenced code blocks
Formatting: fixed fenced code blocks
Threw together a brief ABOUT description
Fleshed out About info in README