Add dedicated method for the fetching all values

[gonchik]

#944 Adjust the provided a bug

[codecov-commenter]

Codecov Report

Merging #945 (56f3a77) into master (17ffb91) will decrease coverage by 0.08%.
The diff coverage is 5.55%.

@@            Coverage Diff             @@
##           master     #945      +/-   ##
==========================================
- Coverage   36.59%   36.50%   -0.09%     
==========================================
  Files          34       34              
  Lines        6509     6527      +18     
  Branches     1000     1007       +7     
==========================================
+ Hits         2382     2383       +1     
- Misses       4020     4037      +17     
  Partials      107      107              

Impacted Files	Coverage Δ
atlassian/jira.py	18.86% <5.55%> (-0.16%)	⬇️

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