Poly 2 tri

[MichaelHinrichs]

SteamDB app page links to a few games using this

https://steamdb.info/app/2499470/ https://steamdb.info/app/1272140/ https://steamdb.info/app/1837800/ https://steamdb.info/app/370060/ https://steamdb.info/app/1962920/ https://steamdb.info/app/2095330/ https://steamdb.info/app/1935660/ https://steamdb.info/app/1970580/ https://steamdb.info/app/1589820/ https://steamdb.info/app/2177030/ https://steamdb.info/app/1228320/ https://steamdb.info/app/1094400/ https://steamdb.info/app/1926390/ https://steamdb.info/app/1074620/ https://steamdb.info/app/1848450/ https://steamdb.info/app/1674100/ https://steamdb.info/app/473770/ https://steamdb.info/app/237850/ https://steamdb.info/app/1326220/ https://steamdb.info/app/1766010/ https://steamdb.info/app/1665500/

Brief explanation of the change

Detect Poly 2 Tri, a library used in some Unity games.

[Lifeismana]

missing non matching tests

[MichaelHinrichs]

Done.