added SpinCtrl,

updated a few headers,
  tried to set window size hints, no effect with KWM,


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3926 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/window.h

@@ -277,6 +277,11 @@ public:
                                int maxW = -1, int maxH = -1,
                                int incW = -1, int incH = -1 );
 
+    int GetMinWidth() const { return m_minWidth; }
+    int GetMinHeight() const { return m_minHeight; }
+    int GetMaxWidth() const { return m_maxWidth; }
+    int GetMaxHeight() const { return m_maxHeight; }
+    
     // window state
     // ------------