Option to print branching tree in file

[guimarqu]

No description provided.

[codecov]

Codecov Report

Merging #351 into master will increase coverage by 0.05%.
The diff coverage is 84.00%.

@@            Coverage Diff             @@
##           master     #351      +/-   ##
==========================================
+ Coverage   75.43%   75.49%   +0.05%     
==========================================
  Files          50       50              
  Lines        3639     3664      +25     
==========================================
+ Hits         2745     2766      +21     
- Misses        894      898       +4     

Impacted Files	Coverage Δ
src/Algorithm/treesearch.jl	87.16% <84.00%> (-0.65%)	⬇️

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[rrsadykov]

@guimarqu I do not think it will work with strong branching. In this case, in run_conquer_algorithm!() it will quit before output to the dot file (here: node.conquerwasrun && return)

[guimarqu]

@guimarqu I do not think it will work with strong branching. In this case, in run_conquer_algorithm!() it will quit before output to the dot file (here: node.conquerwasrun && return)

Ok I'll fix it later this week & you'll review.