Sorry about the delay getting back to you on this. I was working on the Super Star Frigate issue.
> the Horwasp Accelerator probably should be labeled a Pod
The Accelerator isn't a Pod, according to the definition in the Pod Ability page (http://planets.nu/#/howtoplay/abil-pod). Unlike a Pod, the Accelerator doesn't need to have a planet/planetoid as the destination. Because of this, the Pod tag won't be added to the Accelerator.
We (the Documentation Team) do need to decide how to more clearly define the various Horwasp Ballistic ships, but this will probably not happen until Joshua marks them as Production.
The possibility of removal of the Horwasp is one of the reasons for delaying this change. The other is that, due to the problems with them (too strong in the early game and too weak in the late game), we feel that some significant changes will be forthcoming, especially in this area.