started work on correcting HSV values

pykick/hsv_render.py

@@ -17,16 +17,16 @@ print('u, i, o: increase h, s, v respectively\n',
 while True:
     image[:] = h, s, v
     im2show = cv2.cvtColor(image, cv2.COLOR_HSV2BGR)
-    print('HSV:', h, s, v, '      ', end='\r')
+    print(' HSV:', h, s, v, '      ', end='\r')
     sys.stdout.flush()
     cv2.imshow(window, im2show)
     key = cv2.waitKey(0)
     if key == ord('q'):
         break
     elif key == ord('u'):
-        h = min(h + 1, 180)
+        h = (h + 1) % 180
     elif key == ord('j'):
-        h = max(h - 1, 0)
+        h = (h - 1) % 180
     elif key == ord('i'):
         s = min(s + 1, 255)
     elif key == ord('k'):