fix pip package versions for building successfully.

Author: programatt

requirements

@@ -1,13 +1,11 @@
-click>=6.7
-Cython==0.25.2
+Click==7.0
+Cython==0.29.2
 docutils==0.13.1
-Kivy>=1.9.1
+Kivy==1.10.1
 Kivy-Garden==0.1.4
-# modbus-tk==0.5.6
-pygame==1.9.2
+pygame==1.9.4
 pyglet==1.2.4
 Pygments==2.1.3
-# pymodbus==1.5.2
 pyserial==3.2.1
 requests==2.12.4
 six==1.10.0