also, SplitPoly returns if ps < 0, so there's no need to check for ps >= 0 afterwards

Apply srb2home path to EXEC, SAVECONFIG, and debugfile

See merge request !379

Fix savegamename being improperly built

See merge request STJr/SRB2!378

Remove windows installer

See merge request !372

Update code versions to 2.1.21

See merge request STJr/SRB2!338

Block previous versions' config defaults with EXECVERSION consvar

See merge request !371

* Change alwaysfreelook2 to be consistent with alwaysfreelook (the only one that wasn't the same)

Controller defaults: Set Ring Toss to right trigger instead of left trigger

See merge request !370

Change 2p controller defaults

See merge request STJr/SRB2!369

Add OS and 32/64-bitness to VERSION console command

See merge request !368

Fix 64-bit build-using admins not being able to kick players besides themselves, by not checking sendingsavegame[] code at all if not the server

it turns out playernode[pn] is typically 255 in the above situation, so sendingsavegame[playernode[pn]] goes out of bounds ...but goodness knows why 32-bit builds didn't suffer the same bug, seems to have been pure luck