Make Numeric#downto compliant
Make Numeric#downto compliant

castwide/opal,jannishuebl/opal,Flikofbluelight747/opal,Ajedi32/opal,kachick/opal,Mogztter/opal,wied03/opal,opal/opal,kachick/opal,gausie/opal,gausie/opal,opal/opal,Mogztter/opal,Flikofbluelight747/opal,jgaskins/opal,fazibear/opal,merongivian/opal,merongivian/opal,domgetter/opal,gabrielrios/opal,jannishuebl/opal,Flikofbluelight747/opal,Ajedi32/opal,catprintlabs/opal,gabrielrios/opal,gausie/opal,gabrielrios/opal,opal/opal,iliabylich/opal,bbatsov/opal,opal/opal,jgaskins/opal,bbatsov/opal,c42engineering/opal,bbatsov/opal,jgaskins/opal,catprintlabs/opal,wied03/opal,catprintlabs/opal,jannishuebl/opal,wied03/opal,Mogztter/opal,c42engineering/opal,iliabylich/opal,kachick/opal,fazibear/opal,suyesh/opal,castwide/opal,c42engineering/opal,castwide/opal,Mogztter/opal,suyesh/opal,domgetter/opal,iliabylich/opal,Ajedi32/opal,merongivian/opal,kachick/opal,suyesh/opal,fazibear/opal