Fix #14

[AliSajid]

• build: add vcr and webmockr as dependencies
• Bump version: 0.99.552 → 0.99.553
• feat(get_concordants): return error on API connection failures
• Bump version: 0.99.553 → 0.99.554
• fix: return a more informative error on get_signature
• Bump version: 0.99.554 → 0.99.555

[codecov[bot]]

Codecov Report

Merging #23 (bc4c59e) into main (c636459) will increase coverage by 3.58%. The diff coverage is 66.66%.

:exclamation: Current head bc4c59e differs from pull request most recent head 82edfca. Consider uploading reports for the commit 82edfca to get more accurate results

@@            Coverage Diff             @@
##             main      #23      +/-   ##
==========================================
+ Coverage   48.55%   52.14%   +3.58%     
==========================================
  Files           7        7              
  Lines         276      257      -19     
==========================================
  Hits          134      134              
+ Misses        142      123      -19     

Files Changed	Coverage Δ
R/get_concordants.R	96.42% <50.00%> (+38.98%)	:arrow_up:
R/get_signature.R	94.11% <100.00%> (ø)