Adding OS detection for compiling scripts

See merge request pregmodfan/fc-pregmod!3202

Adds OS detection to allow compiling on macOS.

PC cheat edit update

See merge request pregmodfan/fc-pregmod!3197

Population NaN protection

See merge request pregmodfan/fc-pregmod!3189

Forgot the favicon

See merge request pregmodfan/fc-pregmod!3195

Clone prodding

See merge request pregmodfan/fc-pregmod!3194

Update lawCompliance.tw

See merge request pregmodfan/fc-pregmod!3190

cloning back to cheatmode for fixing

See merge request pregmodfan/fc-pregmod!3193

fixes

Closes #394

See merge request pregmodfan/fc-pregmod!3192

Feature re-add as designed with more catches and tweaking

See merge request pregmodfan/fc-pregmod!3191

Added muscle variant for Strongfat hedonists. Feel free to change exact values if they're not quite right.

Checking for NaN'd variables before calculating populations, if a critical NaN is detected it throws an error and the old variable is kept instead of letting it go NaN.

Also a couple of minor fixes.

Pregmod v1.4.3

See merge request pregmodfan/fc-pregmod!3188

actual fix?

See merge request pregmodfan/fc-pregmod!3187

FS NaN cascade bandage

See merge request pregmodfan/fc-pregmod!3186

skin color correction

See merge request pregmodfan/fc-pregmod!3185

SFBugFix

See merge request pregmodfan/fc-pregmod!3184

fixes

See merge request pregmodfan/fc-pregmod!3183

fix

See merge request pregmodfan/fc-pregmod!3182