explains how to install the framework and setup your own projects. Then,
an example distributed application is builded incrementaly to show the
several aspects of the framework.
+ - \ref GRAS_tut_tour_install
+ - \ref GRAS_tut_tour_setup
+ - \ref GRAS_tut_tour_simpleexchange
+ - \ref GRAS_tut_tour_args
+ - \ref GRAS_tut_tour_callbacks
+ - \ref GRAS_tut_tour_globals
+ - \ref GRAS_tut_tour_logs
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