added template for making views (#377)

Cleaned up the helper functions by: 
- Added template for make_view (and new make_const_view) instead of the
copy paste implementation
- checks c_style and dimensions inside make_view
- test binding to be able to probe the checks in make_view

Call sites can be reviewed in a second PR since usage of const or
strictness of conversion depends...

python/tests/test_ClusterVector.py

@@ -157,5 +157,5 @@ def test_masking_requires_one_dimension():
 
     mask = np.array([[True, False]], dtype=bool)
 
-    with pytest.raises(ValueError, match="one-dimensional"):
+    with pytest.raises(ValueError):
         cv(mask)