Making sets work with complex elements

[AnimeshSinha1309]

Changes

Changed the definition of the function Complex.hashCode() to just create an ArrayList, add the real and imaginary parts to it, and then get the value returned by calling the hashing function on the ArrayList.

Fixing tests

One unexpected success in testing in test_complex_element (Trying #36).

test_complex_element (tests.datatypes.test_set.SetTests) ... unexpected success

[AnimeshSinha1309]

Can someone help me out, I cannot seem to find a test that is failing in the smoke build.

======================================================================
UNEXPECTED SUCCESS: tests/datatypes/test_set.py::SetTests::test_complex_element
Unexpected success
----------------------------------------------------------------------
Ran 15944 tests in 513.00s
FAILED (expected failures=768, unexpected successes=1)

Where is the failure in the test that should have passed, just an unexpected success.
Am I supposed to remove the @expectedfailure decorator over the method that now works?

[eliasdorneles]

Thanks!