googleTrends addition

Let me know if there are some changes that should be done, I am testing this my self now and it at least has run two days in a row for me.
I'm not saying to rewrite that. Just something to consider from the functional world. Lines { 44, 50-52 } can be rewritten with just one line:

```self.queries.update( set( map( lambda item: item.get('data').lower, tree.iter("suggestion") ) ) )```