Fix for an error being thrown when an initialized ClientBase instance was passed into Knex.initialize. pool.destroy now optionally accepts a callback to notify when it has completed draining and destroying all connections
Cleanup from the 0.4.0 release, fix a potential exploit in "where" clauses pointed out by Andri Möll, fix for clients not being properly released from the pool #70, fix for where("foo", "<>", null) doing an "IS NULL" statement