Merge pull request #81 from robertbasic/fix/issue80

Clear the variable tables when a new debugging session starts. Fixes #80

Author: robertbasic

pugdebug/gui/variables.py

@@ -39,6 +39,12 @@ def handle_variable_double_clicked(self, item):
         if item.text(1).find('string') > -1:
             PugdebugVariableDetails(self, item)
 
+    def clear(self):
+        """Clear the variable tables
+        """
+        for context_key in self.variable_tables:
+            self.variable_tables[context_key].clear()
+
     def set_variables(self, variables):
         for context in variables:
             table = self.get_variable_table(context)