- fixed Measuring Tool - after doing a measurement the Notebook was switching to Project Tab without letting the user see the results

- more work on the translation engine; the app now restarts after a language is applied
- added protection against using Travel Z parameter with negative or zero value (in Geometry).

flatcamTools/ToolProperties.py

@@ -2,10 +2,10 @@ from PyQt5 import QtGui, QtCore, QtWidgets
 from PyQt5.QtCore import Qt
 from FlatCAMTool import FlatCAMTool
 from FlatCAMObj import *
-import gettext
 
-def _(text):
-    return text
+import gettext
+import FlatCAMTranslation as fcTranslate
+fcTranslate.apply_language('ToolProperties')
 
 
 class Properties(FlatCAMTool):