Merge in dev

[jo-fleck]

more tests + doc update

[codecov-io]

Codecov Report

Merging #4 (ae45975) into master (15c3a74) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master       #4   +/-   ##
=======================================
  Coverage   76.92%   76.92%           
=======================================
  Files           2        2           
  Lines          39       39           
=======================================
  Hits           30       30           
  Misses          9        9           

Impacted Files	Coverage Δ
src/taxsim32.jl	78.37% <ø> (ø)

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