self.layout.operator(ExportMspGLArmature.bl_idname, text="Msp GL armature")
self.layout.operator(ExportMspGLScene.bl_idname, text="Msp GL scene")
self.layout.operator(ExportMspGLArmature.bl_idname, text="Msp GL armature")
self.layout.operator(ExportMspGLScene.bl_idname, text="Msp GL scene")