fails:Complex#quo with Complex divides according to the usual rule for complex numbers
fails:Complex#quo with Fixnum divides both parts of the Complex number
fails:Complex#quo with Fixnum raises a ZeroDivisionError when given zero
fails:Complex#quo with Fixnum produces Rational parts
fails:Complex#quo with Bignum divides both parts of the Complex number
fails:Complex#quo with Float divides both parts of the Complex number
fails:Complex#quo with Float returns Complex(Infinity, Infinity) when given zero
fails:Complex#quo with Object tries to coerce self into other
fails:Complex#quo with a Numeric which responds to #real? with false coerces the passed argument to Complex and divides the resulting elements
