<NME> __init__.py
<BEF> __version__ = '0.9.2'

<MSG> change version format

<DFF> @@ -1,1 +1,3 @@
-__version__ = '0.9.2'
+VERSION = (0, 9, 2)
+
+__version__ = '.'.join([str(n) for n in VERSION])

change version format