Add config and user_config options to pyfdb

[TomHodson]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 44.26230% with 34 lines in your changes missing coverage. Please review.

Project coverage is 36.07%. Comparing base (0527eb8) to head (a41a611).

Files with missing lines	Patch %	Lines
pyfdb/pyfdb.py	0.00%	34 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop      #25      +/-   ##
===========================================
+ Coverage    32.46%   36.07%   +3.61%     
===========================================
  Files            5        6       +1     
  Lines          308      352      +44     
===========================================
+ Hits           100      127      +27     
- Misses         208      225      +17     

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[simondsmart]

See comments. I also notice that the python-qa ci check is failing. Please fix.