Woof! 7.0.0

• Options loaded from a PWAD are now disabled in the menu instead of merely skipped (@rfomin).
• Trim trailing spaces off the demo footer.
• OPL emulation based on Nuked OPL3 Version1.8 has been ported over from Chocolate Doom.
• Avoid namespace clash with the time symbol, e.g. on SmartOS.
• Use unambigious integer types in the BMP screenshot saving code.
• The Alt-Tab bug workaround has been extended to SDL 2.0.16 (@rfomin).
• The actual sample frequency is now fed back into snd_samplerate config variable.
• Native Windows MIDI support has been implemented, replacing woof-midiproc (@rfomin).
• The demo_version value is now logged in P_SetupLevel().
• Don't change MUSINFO music if nomusicparm is set (@rfomin).
• Fix wrong generalised door sounds (@rfomin).
• Fix the Boom elevators movement interpolation (@rfomin).
• Enable cosmetic compatibility options for all complevels, i.e. comp_blazing, comp_doorlight and comp_skymap (@rfomin).
• Next level key also skips the current demo (@rfomin).
• cmake: always unzip SDL2 binaries in build directory (@melak47).
• Fix M_PAUSE graphics location in hires mode (@rfomin).
• Make keyed doors flash on the automap, ported over from Crispy Doom (@rfomin).
• Keep the map static in overlay mode if not following the player.
• Implement DSDHacked support (@rfomin).
• Fix the dehacked string replacement behavior (@rfomin).
• Fixed a bug in DeHackEd string replacements with a length of exactly four (@JadingTsunami).
• Add comp_voodooscroller, MBF21 v1.3 update (@rfomin).
• Demo features (@rfomin).
  • If a new game is started during demo recording, start a new demo.
  • Add key to finish demo recording.
  • Count spawned monsters
  • Add demo file name suffix counter, rngseed is generated before restart recording.
• Use SDL functions to load a WAV lump (@rfomin).