fix amy meeting herself in mario mode

See merge request !1330

Fix a crash in Picture_GetPatchPixel with PICFMT_DOOMPATCH formats

See merge request !1324

Make fiery spindust fullbright

See merge request !1317

Make Ring Drain sectors play the depletion sound instead of the ring sound

See merge request STJr/SRB2!1315

Fix animated skincolors in OpenGL (resolves #187, #247, #301, #370)

Closes #187, #247, #301, and #370

See merge request STJr/SRB2!1301

Player-Colored Elemental Fire for competitive gametypes

See merge request !1312

Fix double free occuring when unloading the intermission patches

See merge request !1304

Final lap text for circuit

See merge request !1303

Fix SPC looping on libgme versions >= 0.6.3

See merge request !1302

Fix intro crash

See merge request !1310

Add aPNG downscaling

See merge request !1197

Make player->speed and other things use R_PointToDist2

See merge request !1309

Add Zolton and Ors to the credits

See merge request !1308

Kill remaining HAVE_BLUA and SEENAMES

See merge request !1319

Lua: Allow access to skin.sprites[]

See merge request !1238

Fix HWR_DrawCroppedPatch scaling a patch when cropping the top and left sides.

See merge request !1297

Saloon door fixes (closes #394)

Closes #394

See merge request !1296

Make caret coloring support letters.

See merge request !1295

Fix brak barrier size (Closes #139)

Closes #139

See merge request !1294

Fix objects with MF_FIRE disappearing in lava (Closes #366)

Closes #366

See merge request !1287

Fix some stuff I missed when rebasing `spritestuff2` to `dehacked-hell`... oops

See merge request !1286

ffloorclip fixes (resolves #385 and #391)

Closes #385 and #391

See merge request !1284

Fix a division by zero in BCZ2 Metal Sonic's routine

See merge request !1283

Fixargstr

See merge request !1280

Initialize dummy linedef tag lists

See merge request !1279