Added v3.1.5 to changelog
Added v3.1.5 to changelog

Zix17/Lychee,electerious/Lychee,Zix17/Lychee,windhamdavid/Lychee,electerious/Lychee,electerious/Lychee,Zix17/Lychee,windhamdavid/Lychee,windhamdavid/Lychee