Update marker cluster version number to get tests passing

Author: JamesGardiner

tests/plugins/test_fast_marker_cluster.py

@@ -25,14 +25,14 @@ def test_fast_marker_cluster():
     m._repr_html_()
 
     out = m._parent.render()
-
+    print(out)
     # We verify that imports
     assert ('<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet.'
-            'markercluster/0.4.0/leaflet.markercluster.js"></script>') in out
+            'markercluster/1.0.0/leaflet.markercluster.js"></script>') in out
     assert ('<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/'
-            'libs/leaflet.markercluster/0.4.0/MarkerCluster.css" />') in out
+            'libs/leaflet.markercluster/1.0.0/MarkerCluster.css" />') in out
     assert ('<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/'
-            'libs/leaflet.markercluster/0.4.0/MarkerCluster.Default.css" />'
+            'libs/leaflet.markercluster/1.0.0/MarkerCluster.Default.css" />'
             ) in out
 
     # Verify the script part is okay.