What changed in EDuke32, build by build

Fix breakage I introduced into CON_FOR while fixing breakage in CON_FOR. :(

Fix issues with CON_FOR

Fix corruption in filenames in new savegame system

Fix line spacing tab issue in rev 6570.

Fix a number of cases where files opened with cache1d.cpp's kopen_internal() could be leaked.

Happened to be reading a SDL doc and noticed we were creating our surface with the wrong flags

Revert a tweak made for HTTKC

Fixed file handle leak when loading a save game

Fixed race condition where XMP voices could be played by the audio driver thread before they were fully initialized or fully freed

Fix the position of the "KILLS" header and the number of deaths for each player in the frag screen.

Fix tints with negative shades in r_usenewshading 4.

Fix visibility in Polymer with r_usenewshading 4.

Revert a minor change I made to EVENT_LOGO

Switch MSVC Makefile to target the VS2015.3 toolchain instead of the VS2017 toolchain, to work around a compiler bug

Fix problem where sometimes fullscreen GL modes display incorrectly. I'm not sure why this fixes it and I believe it to be a SDL bug.

Fix undefined behavior in gameexec.cpp

Fix memory leak with .ANM playback in Polymost

Fix small memory leak in OSD

Fix memory leak in MACT scriplib.cpp

Fix events added in recent commits

Fix huge memory leak with savemapstate

Fix crash issue with nested console script execution

Fix issue with non-actor sprites not being deleted at size 0

Revert r6496

Fix flickering in IVF files.

Fox's maskwall fix 2.0

If Fox's patch to fix flickering masked walls is correct, this change should improve FPS in some areas.

Crash fix

Fix issue with arrays, saved map states, and savegames

Revert r6490.

A potential fix for the disappearing maskwall problem.

Fix crash with "setrendermode 4" in builds with Polymer disabled

Fix issue with savemapstate/loadmapstate and gamearrays

Expand use of VM_GetKeywordForID to all other references to vm_keywords[].

Fix infinite loop when requesting to open an invalid map from the command line.

Fix the bug where tapping (but not holding) fire with 1 ammo left for the chaingun would fail to switch away.

Fix infinite loop in OSD_StripColors() when trying to display a quote containing '^' not followed by a number.