Non poissonian tests

[bayonato89]

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Fixes issue #(please fill in or delete if not needed).

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[codecov-commenter]

Codecov Report

Merging #189 (fc28b70) into master (d13f74f) will decrease coverage by 2.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #189      +/-   ##
==========================================
- Coverage   55.73%   53.70%   -2.03%     
==========================================
  Files          20       21       +1     
  Lines        3572     3707     +135     
  Branches      569      576       +7     
==========================================
  Hits         1991     1991              
- Misses       1460     1595     +135     
  Partials      121      121              

Impacted Files	Coverage Δ
csep/core/non_poissonian_evaluations.py	0.00% <0.00%> (ø)

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[wsavran]

hi tono this looks really good. only comment so far is what do you think about changing the filename to binomial_tests.py?