BUILD: Fixed issue #80, xls/csv file copying

Author: jberka

setup.py

@@ -251,7 +251,9 @@ def srcpath(name=None, suffix='.pyx', subdir='src'):
                 'pandas.util'],
       package_data={'pandas' : ['tests/*.py'],
                     'pandas.io' : ['tests/*.py',
-                                   'tests/*.h5'],
+                                   'tests/*.h5',
+                                   'tests/*.csv',
+                                   'tests/*.xls'],
                     'pandas.stats' : ['tests/*.py']},
       ext_modules=extensions,
       maintainer_email=MAINTAINER_EMAIL,