Clarify the reason for stubbing Numeric#size
Clarify the reason for stubbing Numeric#size

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