fix: min_cluster_samples must be an int

[deargle]

closes #223

[codecov]

Codecov Report

Merging #224 (13e4a1a) into master (56dbd66) will increase coverage by 0.16%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #224      +/-   ##
==========================================
+ Coverage   79.62%   79.79%   +0.16%     
==========================================
  Files          11       11              
  Lines         854      861       +7     
  Branches      186      189       +3     
==========================================
+ Hits          680      687       +7     
  Misses        141      141              
  Partials       33       33              

Impacted Files	Coverage Δ
kmapper/kmapper.py	89.71% <100.00%> (+0.26%)	⬆️

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[deargle]

Sorry for the commit spam, local tests weren't working so I was abusing github's testing.

@sauln approve?