add oauth support

[jlwalke2]

No description provided.

[codecov]

Codecov Report

Merging #98 (abd78b2) into master (b96e15b) will decrease coverage by 0.73%.
The diff coverage is 56.66%.

❗ Current head abd78b2 differs from pull request most recent head f5dcdcf. Consider uploading reports for the commit f5dcdcf to get more accurate results

@@            Coverage Diff             @@
##           master      #98      +/-   ##
==========================================
- Coverage   71.35%   70.62%   -0.74%     
==========================================
  Files          49       49              
  Lines        3557     3642      +85     
==========================================
+ Hits         2538     2572      +34     
- Misses       1019     1070      +51     

Impacted Files	Coverage Δ
src/sasctl/core.py	77.99% <55.65%> (-5.54%)	⬇️
src/sasctl/exceptions.py	90.90% <80.00%> (-9.10%)	⬇️

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