- Added attempt of completion on files

- Added help
- Better handling of input termination or empty lines


git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@233 014f5005-505e-4b48-8d0a-63407b615a7c

relational_gui.py

@@ -104,7 +104,7 @@ if __name__ == "__main__":
 
         Form.show()
         sys.exit(app.exec_())
-    else: #TODO load with readline interface
+    else:
         import relational_readline.linegui
         relational_readline.linegui.main(files)
-        pass
+