New relase 0.2

[dirk.h...@gmail.com]

The new release has a focus on Turbogears and consolidation of code.
The next releases will add support for other frameworks and more
examples and documentation.

Extract of Changelog:

Version 0.2, 2008-03-07

- Switched from simplejson to json (integrated into package)
- Wrapped result of callback in a dictionary
- Added exception handling for callback, returns { pyxer_error:
"xyz" }
if failed to complete request
- Added interface and example for TurboGears
- Python logging added, named "ho.pyxer" and "ho.lib.py2js"
- Started documentation