Nothing against the scout, but its function can be handled by the use of other classes - rogue and ranger, as has been said in the past. The warlock and its invocations cannot.
The scout deserves it. Mobile combat is ONLY handled by the scout.
The warlock is pretty sweet. But being able to cast lots and lots and lots of the same spell is only so innovative. Being able to viably move then attack, or spring attack, or shot on the run, is pretty new. The feats have always been there, but they've always been pointless up until the Scout.