features for VOEvent v2.0

[Rob Seaman]

> You have software that looks at the VOEvent packet, you don't read  
> it like an ATEL.

Well, some folks do something rather equivalent.  A goal has always  
been to keep it as simple as possible in structure.

> I am working on a Python library to support VOEvent 1.1 including STC.

That would be splendiferous!  Especially if this implements a  
physically sound coordinates model.

Rob