Add edit link in demo
Suppress warning message from mkdir
WebTemplate now retrieves files with absolute path, not relative path

Spent an hour wondering why a class was being 'required' twice, then figured out I was calling a template called 'template.php' and for some reason WebTemplate was re-opening itself.
Add explanation of how autoload() works
Add example of how autoload() works
Add extensive code comments to explain demo usage for research project