Python3 support

[CarlQLange]

In case anyone's wondering, all that's required for python3 support is to remove ur from the front of two strings in reader.py.

Doesn't fix #3 though! :)

[purvac]

In case anyone's wondering, all that's required for python3 support is to remove ur from the front of two strings in reader.py.

Doesn't fix #3 though! :)

Specifically remove ur from strings stored in variables db_client_script on line 299 and mod_mgr_script on line 294