* Red and yellow Boost panels!
        * Added because SUBARASHII and KIMOKAWAIII had several levels using them, and I wanted to make them look better.
        * https://cdn.discordapp.com/attachments/359091121789468672/634486669202161674/srb20015.gif
        * Uses the mapthingnums of Glaber's SOC resource boosters, but absolutely nothing else - not even the magnitudes.
        * Apply MF_AMBUSH to force the player into a spin - even if they don't have a spin ability!
    * Banpyura!
        * A Crushstacean with a spring instead of a crushclaw.
        * https://cdn.discordapp.com/attachments/428262628893261828/634432099306176512/srb20019.gif
        * Wanted this for a while, finally added it.
* Improved springs.
    * Add pw_noautobrake to disable autobrake for half a second when touching yellow horizontal springs, and a second when touching red ones, even on the ground.
    * Add pw_justsprung to disable directionchar for a few tics while touching any springs with a horizontal component to their velocity.
    * Add the diagonal spring flag options Red and Yellow Diagonal Springs have to the Blue Diagonal Spring as well.
    * Started but decided against a tip of the hat to the CD spring spin, hidden behind #define SPRINGSPIN.
* Make directionchar "lag behind" a little bit in waterslides.
* Improved flame jets.
    * They now use new sprites for having their flames move upwards and sideways, instead of having them always face downwards like in 2.1!
* Fixed a mixed declaration and code error in A_RolloutRock. (Sorry Lach!)
* Make the Amy Cameo only spawn in SP, Record Attack, or Co-op unless it's the Clone Mode.
* Improved ZB config.
    * Add above new types.
    * Add Blue Diagonal Spring, which existed in the source but not the config.
    * Re-order enemies in ZB config by zone (but keep them in the Enemies section only).

Fix clients being resynched at the wrong gametic

See merge request STJr/SRB2Internal!391

Better than not updating it at all and having a inconsistency between versions reported from the header and internal lib version.

Make shatter blocks solid to non-players

See merge request STJr/SRB2Internal!379

Add ZB config to the repo

See merge request STJr/SRB2Internal!381

Fix reverse gravity cacti (and all other A_ConnectToGround stuffs)

See merge request STJr/SRB2Internal!378

Fixed NiGHTS spawnpoint angle camera jump fuckups

See merge request STJr/SRB2Internal!376

Hide NiGHTS grade in singleplayer if ranking is below GRADE_A

Closes #250

See merge request STJr/SRB2Internal!377

(Resolves #250)

Make ACZ3 Boss damage while bouncing more lenient

See merge request STJr/SRB2Internal!375

Add scroll-wheel weapon changing to default controls

Closes #248

See merge request STJr/SRB2Internal!374

Fix bogus "requested skin not found!" print

Closes #247

See merge request STJr/SRB2Internal!373

Fix for A_ConnectToGround on gravflipped objects

See merge request STJr/SRB2Internal!372

Kart-port bugfixes (round 1)

See merge request STJr/SRB2Internal!371

Fix condition which was MEANT to allow attacking Fangboss from the side while bouncing, but instead made it extremely difficult to pull off.

(resolves #248)

Also, since I'm less paranoid now - readd the skin number to its print.

On the recommendation of Sryder, revert everything relating to the `cpusleep` changes except for the new default value of 1.

Mixed declaration + out-of-bounds GCC error fixes for OpenMPT fixes (can't believe I didn't catch the former earlier)

* Default to 1, which means potential for a 1-frame loss every once in a while but no longer a complete cpu hog
* New minimum is 0, since -1 just did the exact same thing as 0 except slightly more optimized.

OpenGL sky dome

See merge request STJr/SRB2Internal!350

libopenmpt related changes

See merge request STJr/SRB2Internal!351

Reduce speed sneaker factor to 1.67x

See merge request STJr/SRB2Internal!368

Correct minor OGL regressions

See merge request STJr/SRB2Internal!361

Left and Right Arrow keys also select level in Record Attack

See merge request STJr/SRB2Internal!363

Amy tweaks

See merge request STJr/SRB2Internal!366

RVZ hardcode

Closes #178

See merge request STJr/SRB2Internal!357