Adding tests for memory leaks in the C API

[ZeroIntensity]

Improvement Description

Memray should be used to ensure there are no memory leaks throughout the C API

Improvement Request Example API

N/A

Anything else?

pytest-memray looks like the best option, but view.py uses ward instead. Either it needs to be reverse-engineered for ward, or a separate testing suite needs to be set up for pytest.