Refresh keybundle

[jschlyter]

• set and honor If-Modified-Since on remote requests
• re-read files automatically if changed (files checked every cache_time seconds)

[codecov]

Codecov Report

Merging #42 into master will decrease coverage by 0.29%.
The diff coverage is 53.65%.

@@            Coverage Diff             @@
##           master      #42      +/-   ##
==========================================
- Coverage   77.84%   77.54%   -0.30%     
==========================================
  Files          38       38              
  Lines        3773     3804      +31     
  Branches      739      743       +4     
==========================================
+ Hits         2937     2950      +13     
- Misses        603      618      +15     
- Partials      233      236       +3     

Impacted Files	Coverage Δ
src/cryptojwt/key_bundle.py	79.96% <53.65%> (-2.06%)	⬇️

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[rohe]

Hmm, have to work on the code coverage.

[jschlyter]

https://pypi.org/project/requests-mock/ is your friend

[jschlyter]

I'll fix better coverage...

[rohe]

Thanks !