runDebug is an internal function used by GRD and superb
to help in debugging the functions. It assigns in the global environment
the variables that are local to a function so that they become visible.
Use options("superb.feedback" = "all") to turn all debug on.
runDebug(where, title, vars, vals)indicates where in the program runDebug was called
string text to be displayed when this function is triggered
strings names of the variables to be placed in the global environment
numeric values to be given to the variables.
puts in the globalenvironment the variables named "vars"