Non-ASCII data in model causes oe_describe to crash

[Nick-OpusVL]

Traceback (most recent call last):
  File "/usr/local/bin/oe_describe", line 5, in <module>
    pkg_resources.run_script('oekit==0.16', 'oe_describe')
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 528, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 1401, in run_script
    exec(script_code, namespace, namespace)
  File "/usr/local/lib/python2.7/dist-packages/oekit-0.16-py2.7.egg/EGG-INFO/scripts/oe_describe", line 52, in <module>

  File "/usr/local/lib/python2.7/dist-packages/oekit-0.16-py2.7.egg/EGG-INFO/scripts/oe_describe", line 22, in main

UnicodeEncodeError: 'ascii' codec can't encode character u'\xa3' in position 12: ordinal not in range(128)