Merge branch 'stringop' into 'next'

src/CMakeLists.txt

src/Makefile.d/versions.mk

src/command.c

src/deh_soc.c

src/doomstat.h

src/f_finale.c

src/f_finale.h

src/hu_stuff.c

src/m_menu.c

src/m_menu.h

src/netcode/client_connection.c

src/netcode/server_connection.c

src/p_spec.c

src/s_sound.c

src/s_sound.h

src/sdl/i_system.c

src/v_video.c