Merge pull request MPI-IS#5 from k-chaney/master

This is merged into a feature branch as a bit of cleaning still needs to be done before closing this task.

Author: jcpassy

mesh/src/py_visibility.cpp

@@ -199,8 +199,7 @@ visibility_compute(PyObject *self, PyObject *args, PyObject *keywds)
                           pSensors, min_dist, visibility, normal_dot_cam);
 
         if(py_tree == NULL){
-            PyObject* py_bin_visibility = PyCapsule_New((void*)search, NULL, visibility_destructor);
-            PyObject* py_normal_dot_cam = PyCapsule_New((void*)search, NULL, visibility_destructor);
+            delete search;
         }
 
         return Py_BuildValue("NN",py_bin_visibility, py_normal_dot_cam);