- added a new TclCommand named PlotObjects which will plot a list of FlatCAM objects

- made that after opening an object in FlatCAM it is not automatically plotted. If the user wants to plot it can use the TclCommands PlotAll or PlotObjects
- modified the TclCommands that open files to not plot the opened files automatically

tclCommands/TclCommandOpenExcellon.py

@@ -47,4 +47,5 @@ class TclCommandOpenExcellon(TclCommandSignaled):
 
         filename = args.pop('filename')
 
+        args['plot'] = False
         self.app.open_excellon(filename, **args)