Revert "Test"

See merge request cogsys/dare2del/demonstrator!5

This reverts commit 532b9376

Merge branch '22-map-http_reply-exceptions-to-json-reply' of https://gitlab.rz.uni-bamberg.de/cogsys/dare2del/demonstrator.git

Expanded comments to indicate which exception is thrown when.

Integration of explanation framework

Closes #11 and #12

See merge request cogsys/dare2del/demonstrator!3

# Conflicts:
#	web_api.pl

# Conflicts:
#	web_api.pl

- Added predicate documentation in web_api.pl
- refactored generic handlers into own include (include/common/generic_handlers.pl)
- helper preds

- refactored generic handlers into own include
- tidied helper preds

- added 'h' in run.pl -> sync db, halt server, halt. (Convenience helper)

- some cleanup

Moved helper predicates for handle_irrelevant_file and handle_explain into included files.

Renamed explain-helper predicates (ommitting initial explain_).

Refactored test jobs.

The path must be known to generate the desired JSON format.

Renamed explain_XXX_to_json_term to explain_XXX_to_json in code and tests

added helper text_to_string/2 including tests