Mike Cao

You're right, it looks like the `execute` method doesn't use it. However everything should still work. Only the file cache checks the expire value, because all the other caches, like...

I don't have any tests currently. I doing a rewrite to make it more object oriented and that project has tests, but I haven't released it yet. If you want...

I'm planning on a rewrite to make it more object oriented, so I may wait until then.

That is currently not supported.

You can already run raw queries: ``` $posts = $db->sql('SELECT * FROM posts')->many(); ```

I don't have any plans at the moment, but it should be possible.

I think it should be possible for the databases that support charset. I'll work on an enhancement.

You can declare your own PDO object with the correct charset and then pass it into sparrow. See http://stackoverflow.com/questions/4361459/php-pdo-charset-set-names

First of all, there are too many style changes in this PR. Second, adding a parameter would mess up the API for people already using `->where($field,$value)`.

Both of those are on the roadmap. We need to do a complete rehaul of events which would be a major breaking change. Still trying to work out the best...