Load Module/Toolbox

Load installed modules/toolboxes.

This function introduces the possibility to use simple paths to a folder containing a toolbox or important code to be loaded as a module.
MODLOAD(MODULES) load/unload the modules specified in the string MODULES.
The strings in MODULES should be separated with spaces and must
have corresponding matches in the global variable MODULENAME.
The corresponding paths must be specified in the global variable
MODULEPATH (in the same order). The strings in the global variables
must be seprated by semicolon ';'.