News of the caRamel package

Version 1.2
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* option to compute the sensitivity of the Pareto front (first order derivatives)
* bug fix when none or less than 4 feasible points in the initial population
* parameter 'write_gen' is now of logical type
* new reference for citing caRamel (HESS journal)

Version 1.1
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* add vignettes
* add plot functions (plot_caramel, plot_pareto)
* add small complements in documentation
* renaming of caRamel argument "noms_obj" as "objnames"
* add caRamel argument "graph" to display graphical output

Version 1.0
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* change version numbering (CRAN)
* add small executable examples to all Rd files (CRAN)
* add info on the method and references in the description file

Version 0.0
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* first open source release (2018.02-16)
