-Removed 2 useless variables

-Another attempt at fixing errors when people are using playermodels without appropriate bones

-Errors caused by playermodels with incorrect bones should be fixed now.
-Removed useless variable.
-Couple of IsValid checks to prevent errors
-Removed useless code

-Readded the weapon script (no clue why it suddenly dissapeared from my weapons folder)

-Fixed lua errors caused by several addons (dismemberment mod, and pills)

-Fixed moar stuff :C

-Oops... Uploaded an outdated version of the addon, fixed now!

-Hopefully prevented an error for people who are missing the model