Automatic deletion of not necessary files generated by external solver in External Model

[andreaperin]

In order to not fill the hard disk during long simulation with external solvers, a cleanup flag has been added to the struct ExternalModel. Its default value is set to false. 2 tests have been added in order to verify the functioning of the cleanup flag.

[codecov[bot]]

Codecov Report

Merging #69 (69628e5) into master (532a2dd) will increase coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #69      +/-   ##
==========================================
+ Coverage   98.50%   98.51%   +0.01%     
==========================================
  Files          16       16              
  Lines         401      405       +4     
==========================================
+ Hits          395      399       +4     
  Misses          6        6              

Impacted Files	Coverage Δ
src/models/externalmodel.jl	97.14% <100.00%> (+0.36%)	:arrow_up:

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.