Use <base> and set once instead of using <?=URL?> on everything
Add favicons (Super User)
Add enforce option
Run function to set CSP headers
Updated favicons and added GIMP file
Massive update.

While it is not possible to describe each modification,
changes can generally be attributed to files being copied
from other projects, such as classes/*

Also, added new GitHub logos in various formats.
 inline github svg
Added G+ user image to img-src
Basic page style and add spaces on both sides to [data-icon]
Added contact card and included it
Updated from timecards version

Now includes CSP by default if csp.ini exists

Debug function now provided here instead of externally

load does include instead of include_once
Do not call csp() as it is run in config() now
Updated script tags and only use js versioning in Firefox
New JavaScript using promises and working from NodeList in $()
No longer empty. Includes std vars, load event, and html supports
Now use secure and httponly session cookies
Merge branch 'dev' into js_update
New features in supports()
remove <?=URL?>/ and rely on <base href> instead
Added CSS variable feature test