Bugfix/wraper objectids

[JKHeadley]

Two primary fixes:

• Support delete payload with rest call
• properly handle objectIds in payloads

This also adds some more tests for better coverage.

[codecov]

Codecov Report

Merging #308 (89625c1) into master (27c1233) will increase coverage by 2.02%.
The diff coverage is 100.00%.

❗ Current head 89625c1 differs from pull request most recent head bdd1f2a. Consider uploading reports for the commit bdd1f2a to get more accurate results

@@            Coverage Diff             @@
##           master     #308      +/-   ##
==========================================
+ Coverage   80.24%   82.27%   +2.02%     
==========================================
  Files          24       24              
  Lines        2809     2809              
==========================================
+ Hits         2254     2311      +57     
+ Misses        555      498      -57     

Impacted Files	Coverage Δ
utilities/handler-helper.js	82.88% <100.00%> (+8.13%)	⬆️

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