How did this even happen??

Small hitbox tweaks

See merge request STJr/SRB2Internal!341

Mark new-style log names as loaded in addons menu

See merge request STJr/SRB2Internal!340

* Improve logfile print. (I know Steel wanted it gone entirely, but I feel like it's relevant to have it in game..?)

Camera fixes

Closes #105

See merge request STJr/SRB2Internal!303

New animated DSZ kelp (plus ACZ cacti & DSZ coral)

See merge request STJr/SRB2Internal!332

Some Player fixes and enhancements

Closes #216, #219, #222, and #224

See merge request STJr/SRB2Internal!334

Better directory structure

See merge request STJr/SRB2Internal!321

Support W_VerifyFile on PK3

See merge request STJr/SRB2Internal!328

Timerres fix

Closes #213

See merge request STJr/SRB2Internal!338

Camera Options submenu

See merge request STJr/SRB2Internal!337

Use byteptr.h macros in flats png

See merge request STJr/SRB2Internal!339

Disable some code which sometimes makes the player enter walking frames when jumping up to a platform, such as the CEZ3 buttons, despite still being in jumping mode.

If this causes more problems than it solves it can be reverted, but doing a bunch of playthroughs of DSZ1/2, GFZ1, and CEZ3 didn't seem to uncover anything, so I'm tentatively putting it in this branch.

* Fix some other landing weirdness with CA_BOUNCE.

* Lower default swim animation speed.
* Make speed of flight/swim animation increase whenever mashing jump.

Pain sound fixes

See merge request STJr/SRB2Internal!335

* Fix native MF_PAIN sound extension being limited to UINT8 range, which only became evident when the new s1/2/cd/3db/kc sfx were added.
* Make the pain-causing cactodes have DMG_SPIKE.