traits: bump to 0.1.41
traits: bump to 0.1.41

minor warning fixes

rust-lang/num,rust-num/num,rust-num/num-integer,rust-num/num-traits,rust-num/num-bigint,rust-num/num-integer,rust-num/num,rust-num/num-traits,rust-lang/num,rust-num/num-bigint