Added some comments and basic write support

example.py

@@ -0,0 +1,14 @@
+from Crx import Connection, get_simple_con
+
+
+def main():
+    con = get_simple_con()
+    node = con.get_simple_node('/apps/tmp/test')
+
+    with con.start_patch_builder() as ses:
+        node['banana'] = 'asdf'
+        ses.save()
+
+
+if __name__ == '__main__':
+    main()