Feature #826

Updated by Serge Heiden almost 5 years ago

Add an execution return status test to the Check R packages command. command

The command knows commands know which package TXM needs (textometry and FactoMineR) an their respective versions.

For each package :
* if the package is installed
** then test if the package version is not enough
*** then update the package and check the new version
* else if not try to install it
** install
the package and check if the package is properly installed

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