Allow 'get config <url>'

[flimzy]

No description provided.

[codecov]

Codecov Report

Merging #71 (905a7ce) into master (fdfe734) will decrease coverage by 0.22%.
The diff coverage is 71.42%.

@@            Coverage Diff             @@
##           master      #71      +/-   ##
==========================================
- Coverage   74.89%   74.66%   -0.23%     
==========================================
  Files          33       33              
  Lines        1394     1413      +19     
==========================================
+ Hits         1044     1055      +11     
- Misses        278      285       +7     
- Partials       72       73       +1     

Impacted Files	Coverage Δ
cmd/kouchctl/config/config.go	61.92% <0.00%> (-1.06%)	⬇️
cmd/kouchctl/cmd/get_config.go	83.33% <83.33%> (-1.29%)	⬇️
cmd/kouchctl/cmd/get.go	94.44% <100.00%> (+0.89%)	⬆️
replicate.go	62.11% <0.00%> (-0.89%)	⬇️

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