Switch doctests to match functions
Switch doctests to match functions

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