fails:Bignum#% returns the modulus obtained from dividing self by the given argument
fails:Bignum#modulo returns the modulus obtained from dividing self by the given argument
fails:Bignum#modulo raises a ZeroDivisionError when the given argument is 0
fails:Bignum#modulo raises a ZeroDivisionError when the given argument is 0 and a Float
fails:Bignum#modulo raises a TypeError when given a non-Integer
fails:Bignum#% raises a ZeroDivisionError when the given argument is 0 and a Float
