Prevent infinite lives rollover to extremely negative numbers.

See merge request STJr/SRB2Internal!446

Fix pmomz (resolves #64!?)

Closes #64

See merge request STJr/SRB2Internal!447

Kill the new compiler errors (since GCC 9?)

See merge request STJr/SRB2Internal!448

So I don't know what a skin wad is... (closes #282)

Closes #282

See merge request STJr/SRB2Internal!449

Fix players being launched by slopes and pmomz when dying.

See merge request STJr/SRB2Internal!452

Magical moving fire

Closes #278

See merge request STJr/SRB2Internal!453

Let players roll AND move after spinning off a wall transfer

Closes #274

See merge request STJr/SRB2Internal!456

2.2 Title Screen

See merge request STJr/SRB2Internal!439

Lach wanted to do this, but we might have a release candidate before he gets back, so did it myself.

Make the wall transfer while spinning PF_SPINNING|PF_THOKKED. This:
* Prevents PF_MULTIABILITY players from using their ability after a wall transfer.
* Has a more specialised case which allows players to roll after having wall-transferred while spinning.
* (side effect) allows modders to apply PF_THOKKED any time for more controllable spinning.

Fix silly typo :P

See merge request STJr/SRB2Internal!454

Restore the last gameplay frame while on the intermission screen

See merge request STJr/SRB2Internal!444

Record attack fixes

See merge request STJr/SRB2Internal!441

Fix warnings when NOPNG=1

See merge request STJr/SRB2Internal!432

Fix some intro fades displaying text in all-caps

See merge request STJr/SRB2Internal!429

Lotsa Continues (resolves #264)

Closes #264

See merge request STJr/SRB2Internal!422

Fix char select music not playing in secrets menu

Closes #272

See merge request STJr/SRB2Internal!421

Fix pmomz being set to 0 in the wrong place. (P_PlayerAfterThink is after every moving sector has changed its height, while P_MovePlayer is before it...)

Prevent infinite lives rollover to extremely negative numbers. (Discovered while messing around with pandora's box recently.)

Pretty silly of me to assume it would be NUL-terminated by default.