tests/test_spams_sandbox.py: Generates 3D data for testing as well.
tests/test_spams_sandbox.py: Added a test for spams_sandbox.spams_sandbox.run_multiprocessing_queue_spams_trainDL using 3D data.
tests/test_spams_sandbox.py: Added a test for spams_sandbox.spams_sandbox.call_multiprocessing_queue_spams_trainDL using 3D data.
tests/test_spams_sandbox.py: Added a test for spams_sandbox.spams_sandbox.run_multiprocessing_array_spams_trainDL using 3D data.
tests/test_spams_sandbox.py: Added a test for spams_sandbox.spams_sandbox.call_multiprocessing_array_spams_trainDL using 3D data.
tests/test_spams_sandbox.py: Added a test for spams_sandbox.spams_sandbox.call_spams_trainDL using 3D data.
tests/test_spams_sandbox.py: WIP. Need to transpose all resulting matrices so that the first index is basis number and the rest are spatial.