Release Name: 0.29b

Notes:
Test release for Ruby 1.9 (works with 1.8.x, also).



Changes:
* Ya2YAML now works with Ruby 1.9 (tested with Ruby 1.9.1p0)
* apply the patch by Pawel Radecki ([#21377] Bug: Symbols dumped improperly)
* some brush-ups of the test.