updates readme with more details

[bretterer]

Resolves #55

[codecov-commenter]

Codecov Report

Merging #56 into develop will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop      #56   +/-   ##
==========================================
  Coverage      33.77%   33.77%           
  Complexity        98       98           
==========================================
  Files              9        9           
  Lines            225      225           
==========================================
  Hits              76       76           
  Misses           149      149           

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