Updated to 3.2.0

Mockatoo 3.2 released to haxelib

Generate mocks via metadata by implementing Mockatoo.MockTest (requires munit)

````
class SomeTest implements mockatoo.MockTest
{
    @:mock var mock:SomeClass;
    @:spy var spy:SomeSpy;

    @Test
    public function someTestCase()
    {
        mock.something().returns("hello");
        ...
    }
}
````