gsrand v4

The next major version since the initial "release" back in 2014.

New Features:

• Model randomization finished (unstable)
• Sprite randomization
• Skybox randomization
• New entity randomizations
• BSP corruptions (geometry + lighting + textures)
• Sound effect randomization (reverb, pitch, etc.)
• BSP model randomization (off by default)
• Skill file generation
• MOTD file generation
• RES file generation
• Non-default content is usable
• Textures embedded in maps are usable (yay porn)
• Cheats via entities (noclip, godmode, impulse 101)
• Grapple weapon can attach to most walls
• Configuration file added for advanced settings and map selection
• Custom and timestamp map prefixes supported
• Randomizations can be zipped if 7za.exe is present (download)
• HLSP "Kill all monsters" restriction is bypassed
• The "common wad" texture mode can replace all map textures now

Fixes:

• Map prefixes work properly now
• Visual C++ Runtime no longer required
• Fixed memory usage spikes and leaks
• Fixed certain sounds not being randomized
• Fixed unicode characters in program path preventing gsrand.exe from finding files

Other changes:

• Removed "Write WAD for each map" texture mode