object: an object of class ga-class or gaisl-class, usually resulting from a call to function ga or gaisl, respectively.
digits: minimal number of significant digits.
...: further arguments passed to or from other methods.
Returns
These functions print a summary of current GA step on the console.
By default, gaMonitor is called in interactive sessions by ga. The old monitoring function, used as the default until version 2.2 of GA package, is provided in gaMonitor2.
By default, gaislMonitor is called in interactive sessions by gaisl.