Base: Standardize on Py::Long type for Python bindings.

src/Mod/CAM/App/AreaPyImp.cpp

@@ -666,7 +666,7 @@ Py::List AreaPy::getShapes() const
     Area* area = getAreaPtr();
     const std::list<Area::Shape>& shapes = area->getChildren();
     for (auto& s : shapes) {
-        ret.append(Py::TupleN(Part::shape2pyshape(s.shape), Py::Int(s.op)));
+        ret.append(Py::TupleN(Part::shape2pyshape(s.shape), Py::Long(s.op)));
     }
     return ret;
 }

src/Mod/CAM/App/VoronoiCellPy.xml

@@ -39,7 +39,7 @@
             <Documentation>
                 <UserDocu>Returns the cell's category as an integer</UserDocu>
             </Documentation>
-            <Parameter Name="SourceCategory" Type="Int"/>
+            <Parameter Name="SourceCategory" Type="Long"/>
         </Attribute>
         <Attribute Name="SourceCategoryName" ReadOnly="true">
             <Documentation>

src/Mod/CAM/App/VoronoiCellPyImp.cpp

@@ -134,10 +134,10 @@ Py::Long VoronoiCellPy::getSourceIndex() const
     return Py::Long(index);
 }
 
-Py::Int VoronoiCellPy::getSourceCategory() const
+Py::Long VoronoiCellPy::getSourceCategory() const
 {
     VoronoiCell* c = getVoronoiCellFromPy(this);
-    return Py::Int(c->ptr->source_category());
+    return Py::Long(c->ptr->source_category());
 }
 
 Py::String VoronoiCellPy::getSourceCategoryName() const