nucleic/atom — pull request #22 by blink1073 (2013-10-26 22:21:46+00:00)
Title: Add IntPromote behavior

Handles long, string, and unicode conversions.

```
from atom.api import Atom, Int

class Test(Atom):
i = Int(strict=False)

t = Test()
for value in [0, long(10), '1', u'20']:
t.i = value
assert t.i == int(value)
```