atomsGetInstalled — Get the list of installed external modules
installed = atomsGetInstalled(section)
5xn String matrix :
1st column : External module's technical name
2nd column : External module's version
3rd column : allusers/user, this parameter tell if
the external module has been installed for all users or only for the
current user.
4th column : External module's installation path
5th column : I/A, this parameter tell if
the external module has been automatically or intentionnaly installed.
This argument filter the output list.
section is a single-string and its value should be :
"all": atomsGetInstalled() lists external
modules installed in both "user" and "allusers" sections.
"allusers": atomsGetInstalled() only lists
external modules installed in the "allusers" section.
"user": atomsGetInstalled() only lists
external modules installed in the "user" section.
The default value is "all".