Fixed the UI, multiple bug fixes

made dupes from older version work again

Client-side physics; made resizing compatible with HL2/engine saves; made resizing actually fully compatible with demo recordings

changed the name to propresizer, made it appear correctly on the tool menu, made it show up better in multiplayer, general improvement, added the cvar advresizer_clamp which forces the values to clamp between their minimum and maximum.

Fixed an issue where duplicated objects would fall. Performance improvement.

fixed constraints sometimes breaking, fixed certain issues with SENTS

No more unstable objects.

cleanup

made compatible with saved dupes and saved games; changed inertia scaling method; fixed networking; fixed issues with demo recording; added a new feature

Improved everything; now works with Demos.