missing notification in parent recycling and pass variable order

[dehann]

refix #474

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@17d73b1). Click here to learn what that means.
The diff coverage is 64.7%.

@@            Coverage Diff            @@
##             master     #482   +/-   ##
=========================================
  Coverage          ?   46.38%           
=========================================
  Files             ?       29           
  Lines             ?     3753           
  Branches          ?        0           
=========================================
  Hits              ?     1741           
  Misses            ?     2012           
  Partials          ?        0

Impacted Files	Coverage Δ
src/JunctionTree.jl	70.64% <100%> (ø)
src/SolverAPI.jl	36.36% <100%> (ø)
src/TreeBasedInitialization.jl	50.76% <100%> (ø)
src/CliqStateMachine.jl	49.52% <40%> (ø)

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