Support DataStructures v0.19, bump patch version

[cgarling]

Looks like your compathelper is not running so this is just a manual PR, haven't checked tests

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.86%. Comparing base (01e99cd) to head (e782a0b).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #286   +/-   ##
=======================================
  Coverage   91.86%   91.86%           
=======================================
  Files          12       12           
  Lines        1672     1672           
=======================================
  Hits         1536     1536           
  Misses        136      136           

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[timholy]

Thanks!