+ improve whitespaces

+ fix sequence protocol and fix crash

src/Gui/ApplicationPy.cpp

@@ -171,8 +171,8 @@ PyMethodDef Application::Methods[] = {
    "showPreferences([string,int]) -> None\n\n"
    "Shows the preferences window. If string and int are provided, the given page index in the given group is shown."},
    {"createViewer",               (PyCFunction) Application::sCreateViewer,1,
-   "createViewer([int]) -> View3DInventor/SplitView3DInventor\n\n"
-   "shows and returns a viewer. If the integer argument is given and > 1: -> splitViewer"},
+    "createViewer([int]) -> View3DInventor/SplitView3DInventor\n\n"
+    "shows and returns a viewer. If the integer argument is given and > 1: -> splitViewer"},
 
   {NULL, NULL}		/* Sentinel */
 };
@@ -1114,7 +1114,6 @@ PyObject* Application::sShowPreferences(PyObject * /*self*/, PyObject *args,PyOb
     return Py_None;
 }
 
-
 PyObject* Application::sCreateViewer(PyObject * /*self*/, PyObject *args,PyObject * /*kwd*/)
 {
 
@@ -1138,4 +1137,4 @@ PyObject* Application::sCreateViewer(PyObject * /*self*/, PyObject *args,PyObjec
         }
     }
     return Py_None;
-}
+}