If a hql query retrieves non string data put a placeholder in
Merge pull request #2190 from manics/hql_script_params-12115

HQL binary data
Fix CLI plugins to comply with PEP8 1.5.0
Fix OmeroPy CLI unit tests to comply with PEP8
Merge pull request #2208 from sbesson/pep8_1.5.0

Pep8 1.5.0