Print node in branching tree after conquer

[guimarqu]

Address #351 (comment)

[codecov]

Codecov Report

Merging #354 into master will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #354      +/-   ##
==========================================
+ Coverage   75.72%   75.76%   +0.04%     
==========================================
  Files          50       50              
  Lines        3674     3676       +2     
==========================================
+ Hits         2782     2785       +3     
+ Misses        892      891       -1     

Impacted Files	Coverage Δ
src/Algorithm/treesearch.jl	88.66% <100.00%> (+0.82%)	⬆️

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