Beginning the integration of the HTML Compressor.
Integrating the WebSharks HTML Compressor.
<https://github.com/WebSharks/HTML-Compressor>
Updating `host_token()` and `host_dir_token()` to improve clearing/wiping routines.
Updating readme.txt with Tested up to: 3.9
Merge branch 'htmlc' of github.com:JasWSInc/Quick-Cache into JasWSInc-htmlc