Lifted immutablity of most Lua struct fields
Added object constants to Lua API
Added ability to set struct pointers in Lua API
Prevented respawners for Lua-spawned objects
autogenerated functions for characters.h
Fixes in autogen:
improvements to LVT/LOT conversion
improvements to immutability status
Updates to character-movesets.lua, every character has a moveset now
Added .type to stuct Character
Prevented unimplemented actions from crashing the game
convert_functions.py no longer hardcodes acceptable LOT_ values
Added characters.h and surface_collision.h to convert_structs.py
Prevented mod filenames with a slash in it from being considered acceptable
Sanitized mod filenames when received from the server