Fix #43 for homogeneous uniqueItems too.
Fix #43 for homogeneous uniqueItems too.

sightmachine/jsonschema,Julian/jsonschema,eodolphi/jsonschema,eodolphi/jsonschema,jamesmarva/jsonschema,Julian/jsonschema,python-jsonschema/jsonschema,wikimedia/operations-debs-python-jsonschema,dnephin/jsonschema,varunarya10/jsonschema,mathewmarcus/jsonschema,wikimedia/operations-debs-python-jsonschema