Give API resource classes __str__ methods

[jwodder]

Closes #751.

[codecov]

Codecov Report

Merging #753 (91d3bf2) into master (05b9560) will increase coverage by 0.06%.
The diff coverage is 89.47%.

@@            Coverage Diff             @@
##           master     #753      +/-   ##
==========================================
+ Coverage   84.77%   84.83%   +0.06%     
==========================================
  Files          59       59              
  Lines        6003     6021      +18     
==========================================
+ Hits         5089     5108      +19     
+ Misses        914      913       -1     

Flag	Coverage Δ
unittests	84.83% <89.47%> (+0.06%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
dandi/dandiapi.py	93.00% <84.61%> (-0.23%)	⬇️
dandi/tests/test_dandiapi.py	100.00% <100.00%> (ø)
dandi/delete.py	90.97% <0.00%> (-0.70%)	⬇️
dandi/dandiarchive.py	83.58% <0.00%> (-0.52%)	⬇️
dandi/_version.py	45.96% <0.00%> (+1.75%)	⬆️

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[yarikoptic]

Please add some basic tests to ensure we get what we expect and don't kaboom while simply str'ing those objects

[jwodder]

@yarikoptic Done.

[yarikoptic]

looks good

failing test

dandi/dandiarchive.py:532: in follow_redirect
    raise FailedToConnectError(
E   dandi.exceptions.FailedToConnectError: Response for getting https://bit.ly/dandi12 to redirect returned 400. Please verify that it is a URL related to dandiarchive and supported by dandi client

is unrelated ... we are retrying on 404 (only) there ... I wonder if we should retry on 400 ?