- multiple fixes in the Tcl commands (especially regarding the interchange between True/false and 1/0 values)

- updated the help for all Tcl Commands
- in Tcl Shell, the 'help' command will add also a brief description for each command in the list

tclCommands/TclCommandClearShell.py

@@ -20,6 +20,8 @@ class TclCommandClearShell(TclCommand):
     # List of all command aliases, to be able use old names for backward compatibility (add_poly, add_polygon)
     aliases = ['clear']
 
+    description = '%s %s' % ("--", "Clear the text in the Tcl Shell.")
+
     # Dictionary of types from Tcl command, needs to be ordered
     arg_names = collections.OrderedDict([
 
@@ -35,7 +37,7 @@ class TclCommandClearShell(TclCommand):
 
     # structured help for current command, args needs to be ordered
     help = {
-        'main': "Clear the text in the Tcl Shell browser.",
+        'main': "Clear the text in the Tcl Shell.",
         'args': collections.OrderedDict([
         ]),
         'examples': ['clear']