Logging improvement

Purpose/Overview:
Logging should be improved for more productive troubleshooting.

Requirements/Scope:
The logging commands of the module should be adjusted according to the document: https://wiki.folio.org/display/DD/Logging (hereinafter doc.), including the following aspects:

1. Log message must be informative and contain business parameters/indicators (see doc. p. 1.1)
2. Logging of import business logic actions and steps (see doc. p. 1.2)
3. Logging of any edge cases scenarios and essential conditional business logic paths (see doc. p. 1.3)
4. Logging of all exceptional cases (see doc. p. 1.4)
5. Avoid logging sensitive information or use a specific method of Folio Spring Base to produce messages (see doc. p. 3)

AС
The logging commands of the module were adjusted according to the requirements.