Fix a 2.6 bug, have a laugh:

Python 2.6.9 (default, Oct 22 2014, 19:47:46)
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from decimal import Decimal
>>> Decimal("0.1") > 1.05
True
Bump version: 0.9.0 → 0.10.0