Add multithreading option for CMake

See merge request STJr/SRB2!1204

Fix gzip failing to compress SRB2's objdump on non-Windows.

See merge request STJr/SRB2!1191

2.2.8 prep

See merge request STJr/SRB2!1170

Fix uninitialized variable issue in patches with missing grAb chunks

See merge request STJr/SRB2!1171

Prevent Canarivore gas from teleporting up walls

See merge request STJr/SRB2!1154

Fix #178

Closes #178

See merge request STJr/SRB2!1112

Remove "The OpenGL renderer is incomplete" notice (closes #281)

Closes #281

See merge request STJr/SRB2!1169

Fix graphics replacements not taking effect via -file

See merge request STJr/SRB2!1168

This reverts commit 569453ee.

And one line from b6089ccd.

This is needed for graphics replacements to take effect.

Fix net ids broken AGAIN (closes #310)

Closes #310

See merge request STJr/SRB2!1166

This is so netvars registered by any lua scripts will load in the correct order.

Credits changes

See merge request STJr/SRB2!1161

Replaced some of the lower resolution variants with some smoother downscales. The 16x16 one is even Sonic's 1-up icon from the game!

Fix Eggmobile spawning Bowsers after hitting Fang with pinch phase laser

Closes #288

See merge request STJr/SRB2!1160

Make Special Stage map transitions respect nextmapoverride.

See merge request STJr/SRB2!1129

Fix string drawing functions so they account for V_NOSCALEPATCH effectively…

See merge request STJr/SRB2!1107

A_Boss1Laser (pinch phase): Reset var1 to locvar1 each time so we don't accidentally spawn koopas (or something else) as a result of hitting enemies with the laser

Re-adjust model UVs when sprite texture dimensions change

See merge request STJr/SRB2!1068