Resolves: Run model loading on separate thread #19
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- still needs tests to be updated
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Closes #5.
The issue is that some of the model loading is being done on the main GUI thread which can cause stalls (Window unresponsive warning for example) for larger models. This PR addresses that issue by ensuring all model loading is done on a separate thread. We also moved from the more manual thread lib QThread in favor of QThreadPool which maintains the lifetime of a thread automatically.