Silenced exception for dispose_engine

cdplib/db_handlers/SQLHandler.py

@@ -642,6 +642,7 @@ class SQLHandler:
         try:
             self._engine.dispose()
         except Exception as e:
+            pass
             #print(('An error occured when trying to dispose the SQL engine. Error: {}').format(e))
             #raise Exception(e)
             # Exception occures rather frequently, but doesnt seem to affect the execution of the script