code: public static SkbShell newShell(String id, MessageRenderer renderer, boolean useConsole){
  		return new AbstractShell(id, renderer, useConsole);
  	}
docs: Returns a new shell with given identifier and console flag.
  @param id new shell with identifier
  @param renderer a renderer for help messages
  @param useConsole flag to use (true) or not to use (false) console, of false then no output will happen
  @return new shell