test_xlsx_table failure
testing v0.7.2-112-gd1cc8ef  on a Debian system with openpyxl (if relevant here) 1.5.6 -- is that too outdated may be?

```
======================================================================
FAIL: test_xlsx_table (pandas.io.tests.test_parsers.TestParsers)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/yoh/deb/gits/pkg-exppsy/build-area/pandas-0.7.2+git111-gf7b9139/debian/python-pandas/usr/lib/python2.6/dist-packages/pandas/io/tests/test_parsers.py", line 262, in test_xlsx_table
    assert_frame_equal(df, df2)
  File "/home/yoh/deb/gits/pkg-exppsy/build-area/pandas-0.7.2+git111-gf7b9139/debian/python-pandas/usr/lib/python2.6/dist-packages/pandas/util/testing.py", line 131, in assert_frame_equal
    assert_series_equal(series, right[col])
  File "/home/yoh/deb/gits/pkg-exppsy/build-area/pandas-0.7.2+git111-gf7b9139/debian/python-pandas/usr/lib/python2.6/dist-packages/pandas/util/testing.py", line 124, in assert_series_equal
    assert(left.index.equals(right.index))
AssertionError

----------------------------------------------------------------------
Ran 1544 tests in 149.729s

FAILED (SKIP=8, failures=1)
```
