make it possible to have a less verbose out when saving

[Remi-Gau]

No description provided.

[codecov]

Codecov Report

Merging #90 into master will increase coverage by 0.00%.
The diff coverage is 95.00%.

@@           Coverage Diff           @@
##           master      #90   +/-   ##
=======================================
  Coverage   79.08%   79.09%           
=======================================
  Files          26       26           
  Lines         545      550    +5     
=======================================
+ Hits          431      435    +4     
- Misses        114      115    +1     

Flag	Coverage Δ
#unittests	79.09% <95.00%> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
src/saveEventsFile.m	94.16% <92.85%> (-0.71%)	⬇️
src/checkCFG.m	98.64% <100.00%> (ø)
src/createFilename.m	95.89% <100.00%> (ø)
src/subfun/printCreditsCppBids.m	96.87% <100.00%> (+0.20%)	⬆️

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