Replace += 1 with ++ and -= 1 with --
Replace += 1 with ++ and -= 1 with --

for consistency

rivine/rivine,rivine/rivine,NebulousLabs/Sia,ChrisSchinnerl/Sia,ChrisSchinnerl/Sia,mharkus/Sia,mnsl/Sia,ericflo/Sia,mtlynch/Sia,mharkus/Sia,ericflo/Sia,mnsl/Sia,MrStrong/Sia,NebulousLabs/Sia,johnathanhowell/Sia,mtlynch/Sia,MrStrong/Sia