ubuntu 12.04 python3.2 test_cummethods_bool: AssertionError: (very low values) expected 1.00000 but got 0.00000
that is 0.13.1

```
======================================================================
FAIL: test_cummethods_bool (pandas.tests.test_series.TestSeries)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/buildd/pandas-0.13.1/debian/tmp/usr/lib/python3/dist-packages/pandas/tests/test_series.py", line 5202, in test_cummethods_bool
    assert_series_equal(res, expecteds[method])
  File "/tmp/buildd/pandas-0.13.1/debian/tmp/usr/lib/python3/dist-packages/pandas/util/testing.py", line 458, in assert_series_equal
    assert_almost_equal(left.values, right.values, check_less_precise)
  File "testing.pyx", line 58, in pandas._testing.assert_almost_equal (pandas/src/testing.c:2561)
  File "testing.pyx", line 93, in pandas._testing.assert_almost_equal (pandas/src/testing.c:1803)
  File "testing.pyx", line 135, in pandas._testing.assert_almost_equal (pandas/src/testing.c:2342)
AssertionError: (very low values) expected 1.00000 but got 0.00000
```

```
INSTALLED VERSIONS
------------------
commit: None
python: 3.2.3.final.0
python-bits: 32
OS: Linux
OS-release: 3.2.0-4-amd64
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: C
LANG: C

pandas: 0.13.1
Cython: None
numpy: 1.6.1
scipy: 0.9.0
statsmodels: None
IPython: None
sphinx: 1.1.3
patsy: None
scikits.timeseries: None
dateutil: 2.0
pytz: 2012c
bottleneck: None
tables: None
numexpr: None
matplotlib: None
openpyxl: None
xlrd: None
xlwt: None
xlsxwriter: None
sqlalchemy: None
lxml: None
bs4: 4.0.2
html5lib: None
bq: None
apiclient: None
```
