correcting mincut

[etiennedeg]

Fixes :

#27

[codecov]

Codecov Report

Merging #32 into master will increase coverage by 32.6%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #32      +/-   ##
==========================================
+ Coverage   65.65%   98.25%   +32.6%     
==========================================
  Files          10       10              
  Lines         428      287     -141     
==========================================
+ Hits          281      282       +1     
+ Misses        147        5     -142

Impacted Files	Coverage Δ
src/mincut.jl	100% <100%> (+7.69%)	⬆️
src/maximum_flow.jl	75% <0%> (+6.81%)	⬆️
src/multiroute_flow.jl	100% <0%> (+9.52%)	⬆️
src/ext_multiroute_flow.jl	100% <0%> (+20%)	⬆️
src/kishimoto.jl	100% <0%> (+22.22%)	⬆️
src/boykov_kolmogorov.jl	100% <0%> (+31.7%)	⬆️
src/edmonds_karp.jl	100% <0%> (+36.5%)	⬆️
src/dinic.jl	100% <0%> (+43.18%)	⬆️
src/mincost.jl	100% <0%> (+50%)	⬆️
src/push_relabel.jl	100% <0%> (+55.93%)	⬆️

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[matbesancon]

Could you add a test corresponding to the bug observed in #27 ?

[coveralls]

Coverage increased (+32.6%) to 98.258% when pulling b0d1846 on etienneINSA:mincut into 016dfd5 on JuliaGraphs:master.