touist command-line: removed --debug_formula_expansion as it has no effect
touist command-line: removed --debug_formula_expansion as it has no effect

Also rephrased the description (at the beginning of --help)

touist/touist,olzd/touist,FredMaris/touist,touist/touist,FredMaris/touist,touist/touist,touist/touist,olzd/touist,olzd/touist,FredMaris/touist