- 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/ToolShell.py

@@ -12,10 +12,10 @@ from PyQt5.QtGui import QTextCursor
 from PyQt5.QtWidgets import QVBoxLayout, QWidget
 from GUIElements import _BrowserTextEdit, _ExpandableTextEdit
 import html
-import gettext
 
-def _(text):
-    return text
+import gettext
+import FlatCAMTranslation as fcTranslate
+fcTranslate.apply_language('ToolShell')
 
 
 class TermWidget(QWidget):