Log Message:
Update to 0.2.0:

0.1.x - 0.2.0

- Rewrite the library to reuse wherever possible the libwpd types and  APIs.
- Rewrite the libwpg API to be similar to the libwpd API where the arguments
  are passed as pairs of attribute name and values.
- Convert the embedded text inside graphics.
- Remove implementation of stream abstraction class and use the libwpd
  WPXInputStream implementations.