add getAABB.py example.

fix getAABB / b3RequestCollisionInfoCommandInit to use less stack memory

examples/SharedMemory/SharedMemoryPublic.h

@@ -65,6 +65,7 @@ enum EnumSharedMemoryClientCommand
 	CMD_CREATE_COLLISION_SHAPE,
 	CMD_CREATE_VISUAL_SHAPE,
 	CMD_CREATE_MULTI_BODY,
+	CMD_REQUEST_COLLISION_INFO,
     //don't go beyond this command!
     CMD_MAX_CLIENT_COMMANDS,
     
@@ -156,6 +157,8 @@ enum EnumSharedMemoryServerStatus
 		CMD_CREATE_VISUAL_SHAPE_COMPLETED,
 		CMD_CREATE_MULTI_BODY_FAILED,
 		CMD_CREATE_MULTI_BODY_COMPLETED,
+		CMD_REQUEST_COLLISION_INFO_COMPLETED,
+		CMD_REQUEST_COLLISION_INFO_FAILED,
         //don't go beyond 'CMD_MAX_SERVER_COMMANDS!
         CMD_MAX_SERVER_COMMANDS
 };