Added support for my Weapon Weight System addon

Minor code fixes
Added options check box for the STALKER Bolts add-on.

Fixed issue related to having no weapons
Fixed layering issue with vignette
Fixed minor issues with quest marker STool
Changed checkboxes on options panel for toggle PDA/HUD to buttons

Fixed minor text issues with Quest Tagger STool

Added Quest Tagger STool (Located in Tools > V92 > Quest Tagger

Left Click to tag as quest item, Right Click to remove as quest item

Added Quest Markers
Added Anomaly Markers

HUD now hides automatically when Camera is used

Fixed issue related to radar/PDA update rate CVars

Fixed minor error related to order of validity check on players in rare circumstances

Fixed frame rate drop