0.9.3 (unstable)

* Added Buffer.
  (Siavash Safi)
* Bin: Derive from ChildProxy.
* Added ChildProxy.
* Caps: Added create_simple() and set_simple() methods that 
  work with Caps with only one structure.
* Added PluginFeature, Plugin and ElementFactory.
  (José Alburquerque)
* Added Index.
  (Siavash Safi. Bug #515373)
* Improved tests and examples.
* More build fixes.
  (José Alburquerque)

0.9.2 (unstable)

Build fixes and installation fixes.
(José Alburquerque)

0.9.1 (unstable):

First version, with some simple examples.
(José Alburquerque, Siavash Safi, Milosz Derezynski, Murray Cumming) 
