Added redirection checking tool

[jesper-friis]

Description

Added new tool for testing redirections. Needed for testing the new w3id redirections.

This tool is placed in EMMOntoPy such that it is easy to pick up and use for EMMO and domain ontologies.

In the EMMO repo it will be used to test the redirections themselves, as specified in
https://github.com/perma-id/w3id.org/tree/master/emmo/expected_redirections.yaml (file to be pushed).

Domain ontologies can use this tool to check that they ahead to the repository layout conventions that are expected for the redirections to work.

Type of change

• Bug fix.
• New feature.
• Documentation update.
• Test update.

Checklist

This checklist can be used as a help for the reviewer.

• Is the code easy to read and understand?
• Are comments for humans to read, not computers to disregard?
• Does a new feature has an accompanying new test (in the CI or unit testing schemes)?
• Has the documentation been updated as necessary?
• Does this close the issue?
• Is the change limited to the issue?
• Are errors handled for all outcomes?
• Does the new feature provide new restrictions on dependencies, and if so is this documented?

Comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (41cafbb) 71.00% compared to head (b6594d1) 71.02%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #695      +/-   ##
==========================================
+ Coverage   71.00%   71.02%   +0.02%     
==========================================
  Files          16       16              
  Lines        3369     3369              
==========================================
+ Hits         2392     2393       +1     
+ Misses        977      976       -1     

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[francescalb]

Looks fine