Merge branch 'wrap_output' into 'master'

.gitlab-ci.yml

README.md

build/Makefile

src/cluster/cluster.cpp

src/cluster/np_cluster.cpp

src/include/Commons.h

src/include/IterationData.h

src/include/outputs.h

src/inclusion/inclusion.cpp

src/libnptm/Commons.cpp

src/libnptm/Configuration.cpp

src/libnptm/outputs.cpp

src/sphere/np_sphere.cpp

src/sphere/sphere.cpp

src/testing/test_ParticleDescriptor.cpp

src/testing/test_sphere_outputs.cpp

test_data/inclusion/c_OINCLU.hd5

test_data/sphere/c_OSPH.hd5