* Added options to respawn weapon on timer and not remove previous weapons

* Fixed save not working

* Made save and load messages more readable
* Fixed load removing all weapon pedestals even if the file does not exist

* Added nice error message if file is not found in weaponpedestal_load

* Fixed HL2 weapons not working

* Added nice errors when weapon is invalid
* Fixed being able to specify any entity including NPCs as a weapon
* Fixed errors when weapon has no world model (e.g. fists)
* Fixed errors when weapon entity cannot be created in world or somehow destroys itself