Merge branch 'lift-savebuffer-limits' into 'next'

src/command.c

src/command.h

src/g_demo.c

src/g_game.c

src/lua_script.c

src/lua_script.h

src/netcode/d_netcmd.c

src/netcode/gamestate.c

src/p_mobj.h

src/p_saveg.c

src/p_saveg.h