Introduced log file option

Created by: stefanoborini

Allows to write a log file instead of relying to stdout/err.

Created by: codecov[bot]

Codecov Report

Merging #108 into master will decrease coverage by 1.44%. The diff coverage is 44.82%.

@@            Coverage Diff             @@
##           master     #108      +/-   ##
==========================================
- Coverage   96.17%   94.73%   -1.45%     
==========================================
  Files          38       38              
  Lines         654      665      +11     
  Branches       39       40       +1     
==========================================
+ Hits          629      630       +1     
- Misses         21       31      +10     
  Partials        4        4

Impacted Files	Coverage Δ
force_bdss/core_mco_driver.py	90.9% <0%> (-0.14%)	⬇
force_bdss/cli/force_bdss.py	0% <0%> (ø)	⬆
force_bdss/io/workflow_reader.py	100% <100%> (ø)	⬆
force_bdss/bdss_application.py	93.93% <100%> (+0.18%)	⬆
force_bdss/core_evaluation_driver.py	88.05% <71.42%> (ø)	⬆

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Created by: dpinte

if you want you can combine the log.error and log.exception by adding a kwarg exc_info=True to log.error.