Mocking an interface that already extends Iterator should not be included when generating the mock.
Added another test to test against IteratorAggregate.
Added missing interface within the test
Merge branch 'fix-mocking-interface-that-extends-iterator-should-not-implement-iterator' of github.com:srosato/mockery into srosato-fix-mocking-interface-that-extends-iterator-should-not-implement-iterator

Conflicts:
	tests/Mockery/ContainerTest.php