Merge pull request #1050 from gabrielebndn/topic/nparray

bindings/python/fwd.hpp

bindings/python/module.cpp

bindings/python/pinocchio/derivative/lambdas.py

bindings/python/pinocchio/romeo_wrapper.py

bindings/python/pinocchio/utils.py

bindings/python/spatial/expose-skew.cpp

src/spatial/skew.hpp

unittest/python/CMakeLists.txt

unittest/python/bindings.py

unittest/python/bindings_SE3.py

unittest/python/bindings_inertia.py

unittest/python/bindings_spatial.py

unittest/python/test_case.py

unittest/python/utils.py