add prefix to config setting

[heeplr]

rename ERROR_404_HELP -> RESTX_ERROR_404_HELP (fixes #114)

[codecov]

Codecov Report

Merging #118 into master will decrease coverage by 0.06%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master     #118      +/-   ##
==========================================
- Coverage   96.92%   96.85%   -0.07%     
==========================================
  Files          19       19              
  Lines        2697     2701       +4     
==========================================
+ Hits         2614     2616       +2     
- Misses         83       85       +2     

Impacted Files	Coverage Δ
flask_restx/api.py	96.69% <50.00%> (-0.45%)	⬇️

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[heeplr]

Maybe it would be better to not use DeprecationWarning but FutureWarning, so the warning is displayed on every startup, not only when testing. Not too sure.

[ziirish]

Good catch, thanks!

[ziirish]

Although could you please do a rebase so I can merge your changes?

[EDIT] Nevermind, I couldn't see the Update branch button on mobility, but using the "desktop mode" I see it.