Add logging import and create missing LOGGER for apiso profile

[nikoder]

Overview

Adding the missing import and setup of a LOGGER for apiso.py.

Related Issue / Discussion

(None raised.)

Additional Information

write_extent() in pycsw/plugins/profiles/apiso/apiso.py:711 tries to use LOGGER in an exception handler on line 711, but the required LOGGER does not exist, causing an UnboundLocal exception, instead of a log entry.

Contributions and Licensing

(as per https://github.com/geopython/pycsw/blob/master/CONTRIBUTING.rst#contributions-and-licensing)

• I'd like to contribute the enclosed bugfix to pycsw. I confirm that my contributions to pycsw will be compatible with the pycsw license guidelines at the time of contribution.
• I have already previously agreed to the pycsw Contributions and Licensing Guidelines