cadd

TODO
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			check that these are really testing something

			- test_Dislo_angle_LAMMPS
			- test_GEOMETRY (it looks a little slow/long for a test on geometry)

			fix these

			- test_compute_add_loop_PARADIS (Failed)
			- test_compute_add_segment_PARADIS (Failed)
			- test_parallel_PARADIS (Failed)