Mesh: add function section() to Mesh class

src/Mod/Mesh/App/MeshPy.xml

@@ -91,7 +91,14 @@ mesh.write(Stream=file,Format='STL',[Name='Object name',Material=colors])</UserD
 				<UserDocu>Get the part outside the intersection</UserDocu>
 			</Documentation>
 		</Methode>
-		<Methode Name="coarsen">
+        <Methode Name="section" Const="true" Keyword="true">
+            <Documentation>
+                <UserDocu>Get the section curves of this and the given mesh object.
+lines = mesh.section(mesh2, [ConnectLines=True, MinDist=0.0001])
+                </UserDocu>
+            </Documentation>
+        </Methode>
+        <Methode Name="coarsen">
 			<Documentation>
 				<UserDocu>Coarse the mesh</UserDocu>
 			</Documentation>