Level header keywords

See merge request !656

Word jumping

See merge request STJr/SRB2!653

FALLTHRU versus fallthru, which will win?

See merge request !692

Add generic signpost sprite for skins that don't have one

See merge request !626

MUSICDEF parser changes.

See merge request !599

Locale liberation

Closes #113

See merge request STJr/SRB2!677

Optionally use a sound for 1-Up

See merge request STJr/SRB2!668

Prefer textures on walls, not flats

See merge request !687

It took a week and me staying up until 2AM to look at the damn manpage and
figure out THIS is why I was getting an error about 'if (tutorialmode)' falling
through. But I still don't know why it didn't trigger on the MT_TNTBARREL case.
Oh well.

Kill adminplayer for good

See merge request !686

Disable title map when entering a netgame

See merge request STJr/SRB2!683

Make Fangboss' player pogo a little less bullshit.

See merge request !676

"Symmetrical"-ish Emblem Hint pages

See merge request !670

"left_hints" is always 3, 4, or 5, so the signedness is irrelevant.
But with ERRORMODE set to 1 when compiling,
the compile would previously stop due to comparing INT32 to UINT32.

Fix node player mixups

See merge request STJr/SRB2!684

Egg Slimer Pogo Bruh Moment (resolves #112)

See merge request !674

Homing Targetting Issues

See merge request !671

Replace all instances of XD_KICK with a SendKick function

See merge request STJr/SRB2!682

Fix node numbers being used in place of player numbers

See merge request !681

Open the console in menus and draw backpic correctly

See merge request !665

Let Escape close the console

See merge request !664