Replace Clara with Lyra

[marcinlos]

Closes #55

[codecov]

Codecov Report

Merging #64 (40caae3) into develop (370e80b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop      #64   +/-   ##
========================================
  Coverage    35.66%   35.66%           
========================================
  Files           43       43           
  Lines         1203     1203           
========================================
  Hits           429      429           
  Misses         774      774           

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