Fix release date and readme

[jdebacker]

A couple changes to the documentation.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.17%. Comparing base (b737169) to head (d1ef843).

Files with missing lines	Patch %	Lines
setup.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #210   +/-   ##
=======================================
  Coverage   79.17%   79.17%           
=======================================
  Files          23       23           
  Lines        1974     1974           
=======================================
  Hits         1563     1563           
  Misses        411      411           

Flag	Coverage Δ
unittests	79.17% <0.00%> (ø)

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