1.5.3+20210501

Added more character replacements for PrettyURL

1.5.2+20210428

Corrected temporary path (now uses upload dir, if exists and writable or system temp path, if it does not)

1.5.1+20210425

Fix to prevent accidental removal of some Links if Save-Data is enabled.

1.5.0+20210424

Separate Content-Security-Policy header into contentPolicy (with no logic change) to allow applying security to all type of content and CSP - only to HTML (helps with performance)
Fix for __construct in Sharing
Adjustment of MIME check in fileEcho
Auto-adding charset for certain MIMEs in fileEcho

1.4.1+20210407

Actual inclusion of notAccept function to handle Accept HTTP header (failed to commit on last release and I did not notice this)
Correction of uriValidator to properly handle % codes
Graceful removal of bad elements in Atom and RSS
Return HTTP code 503 in case of failure for Atom and RSS

1.4.0+20210406

notAccept function to handle Accept HTTP header

1.3.6+20210405

Prevent overwrite of previously sent Link headers

1.3.5+20210405

Added early exit in case HEAD method was used in zEcho and fileEcho functions.

1.3.4+20210404

Unicode support for urIValidator

1.3.3+20210403

Added array check for links function