fixed error handling and messages

[Code-Hex]

No description provided.

[codecov]

Codecov Report

Merging #38 (f585ac8) into master (83d7e56) will not change coverage.
The diff coverage is 14.28%.

@@           Coverage Diff           @@
##           master      #38   +/-   ##
=======================================
  Coverage   66.73%   66.73%           
=======================================
  Files           6        6           
  Lines         478      478           
=======================================
  Hits          319      319           
  Misses        117      117           
  Partials       42       42           

Impacted Files	Coverage Δ
pget.go	54.47% <0.00%> (ø)
requests.go	64.70% <0.00%> (ø)
option.go	80.00% <100.00%> (ø)

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