hotfix - bad print format caused by old python version (DexterInd#285)

* hotfix - bad print format caused by old python

* hotfix - some syntax errors in firmware checker

Author: RobertLucian

Software/Python/tests/firmware_version_cpu_test.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python
+from __future__ import print_function
 from gopigo import *
-print "v",fw_ver()
-print "CPU speed:",cpu_speed()
-print volt(),"V"
+
+print("Version:",fw_ver())
+print("CPU Speed:",cpu_speed())
+print("Power Supply:",volt(),"V")