0.9.1:

* Use cluttermm-1.0 and Use clutter-box2d-0.10.
* Box2d:
  - add_distance_joint(): Added default values.
  -  Added explicit get/set_child_*() methods for all the ClutterBox2D 
     child properties.
  -  Used Clutter::Vertex instead of ClutterVertex for all parameters.
* Examples:
  Added examples/distance_joint/ as a simple example of a distance joint.
  (Murray Cumming)

0.7.3:

Initial version, with examples.
