-Material improvements

-Added anim_attachment_head

--Shared update across most of my playermodels--

Finally fixed the issue of multiplayer footsteps playing both normal and custom ones at the same time on clients

-Improved smile flex (faceposer)

-Adjusted phong shading values

-Material improvements

-1993 variant model improvements

-Added colorable skin to the 1993 variant
-Small model edits for 1993 variant

-C_arms weightpainting improvements

-ragdoll physics improvements