Added Readme.md file.
Changed michelf.com addresses to michelf.ca.
Corrected extension of test suite folders in Readme, added section about the web interface.
Corrected some tests for incomplete prior domain change from michelf.com to michelf.ca.
Major update to support autoloading of PHP libraries, added PHP Markdown Lib implementation, now enabling by default the -n option (normalize) and offering the -r (raw) option to disable XHTML normalisation.
Removed references to the -n option in Readme.
Added license reference and copyright information to Readme.

Fixes #5.