Refactor Command class constants to use ord() for numerical clarity (Valid for python 2/3)

Author: MGross21

rtde/rtde.py

@@ -39,14 +39,14 @@
 
 
 class Command:
-    RTDE_REQUEST_PROTOCOL_VERSION = 86  # ascii V
-    RTDE_GET_URCONTROL_VERSION = 118  # ascii v
-    RTDE_TEXT_MESSAGE = 77  # ascii M
-    RTDE_DATA_PACKAGE = 85  # ascii U
-    RTDE_CONTROL_PACKAGE_SETUP_OUTPUTS = 79  # ascii O
-    RTDE_CONTROL_PACKAGE_SETUP_INPUTS = 73  # ascii I
-    RTDE_CONTROL_PACKAGE_START = 83  # ascii S
-    RTDE_CONTROL_PACKAGE_PAUSE = 80  # ascii P
+    RTDE_REQUEST_PROTOCOL_VERSION = ord('V')  # V=86
+    RTDE_GET_URCONTROL_VERSION = ord('v')  # v=118
+    RTDE_TEXT_MESSAGE = ord('M')  # M=77
+    RTDE_DATA_PACKAGE = ord('U')  # U=85
+    RTDE_CONTROL_PACKAGE_SETUP_OUTPUTS = ord('O')  # O=79
+    RTDE_CONTROL_PACKAGE_SETUP_INPUTS = ord('I')  # I=73
+    RTDE_CONTROL_PACKAGE_START = ord('S')  # S=83
+    RTDE_CONTROL_PACKAGE_PAUSE = ord('P')  # P=80
 
 
 RTDE_PROTOCOL_VERSION_1 = 1