upgrade scalachess to 2.13
upgrade scalachess to 2.13

Enigmahack/lila,arex1337/lila,r0k3/lila,Happy0/lila,samuel-soubeyran/lila,clarkerubber/lila,ccampo133/lila,elioair/lila,ccampo133/lila,elioair/lila,elioair/lila,pawank/lila,Unihedro/lila,samuel-soubeyran/lila,bjhaid/lila,danilovsergey/i-bur,clarkerubber/lila,terokinnunen/lila,samuel-soubeyran/lila,pawank/lila,Happy0/lila,systemovich/lila,arex1337/lila,Enigmahack/lila,Unihedro/lila,pavelo65/lila,terokinnunen/lila,pavelo65/lila,TangentialAlan/lila,luanlv/lila,r0k3/lila,ccampo133/lila,pawank/lila,danilovsergey/i-bur,abougouffa/lila,samuel-soubeyran/lila,Happy0/lila,elioair/lila,samuel-soubeyran/lila,Happy0/lila,pawank/lila,ccampo133/lila,terokinnunen/lila,JimmyMow/lila,systemovich/lila,TangentialAlan/lila,arex1337/lila,elioair/lila,danilovsergey/i-bur,arex1337/lila,ccampo133/lila,Happy0/lila,arex1337/lila,TangentialAlan/lila,Unihedro/lila,JimmyMow/lila,bjhaid/lila,pawank/lila,clarkerubber/lila,luanlv/lila,JimmyMow/lila,r0k3/lila,pavelo65/lila,ccampo133/lila,luanlv/lila,JimmyMow/lila,pavelo65/lila,bjhaid/lila,samuel-soubeyran/lila,Happy0/lila,JimmyMow/lila,bjhaid/lila,TangentialAlan/lila,pavelo65/lila,terokinnunen/lila,r0k3/lila,systemovich/lila,terokinnunen/lila,clarkerubber/lila,pawank/lila,Unihedro/lila,abougouffa/lila,bjhaid/lila,arex1337/lila,luanlv/lila,luanlv/lila,Happy0/lila,Unihedro/lila,clarkerubber/lila,pavelo65/lila,Enigmahack/lila,luanlv/lila,Unihedro/lila,Enigmahack/lila,JimmyMow/lila,pawank/lila,TangentialAlan/lila,r0k3/lila,bjhaid/lila,luanlv/lila,TangentialAlan/lila,systemovich/lila,Unihedro/lila,Enigmahack/lila,bjhaid/lila,clarkerubber/lila,danilovsergey/i-bur,r0k3/lila,Enigmahack/lila,danilovsergey/i-bur,Enigmahack/lila,samuel-soubeyran/lila,abougouffa/lila,TangentialAlan/lila,systemovich/lila,ccampo133/lila,danilovsergey/i-bur,abougouffa/lila,systemovich/lila,terokinnunen/lila,elioair/lila,systemovich/lila,abougouffa/lila,terokinnunen/lila,abougouffa/lila,elioair/lila,pavelo65/lila,abougouffa/lila,clarkerubber/lila,arex1337/lila,JimmyMow/lila,danilovsergey/i-bur,r0k3/lila