VisualizeMatching() with unrooted trees

[ms609]

Resolves #103

[codecov]

Codecov Report

Merging #107 (768dbd0) into master (923aba0) will decrease coverage by 0.09%.
Report is 1 commits behind head on master.
The diff coverage is 92.85%.

❗ Current head 768dbd0 differs from pull request most recent head 2fd2e3d. Consider uploading reports for the commit 2fd2e3d to get more accurate results

@@            Coverage Diff             @@
##           master     #107      +/-   ##
==========================================
- Coverage   98.47%   98.39%   -0.09%     
==========================================
  Files          30       30              
  Lines        2163     2177      +14     
==========================================
+ Hits         2130     2142      +12     
- Misses         33       35       +2     

Files Changed	Coverage Δ
R/plot.R	98.68% <92.85%> (-1.32%)	⬇️

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