pydata/pandas — pull request #3636 by stonebig (2013-05-17 18:00:56+00:00)
Title: systematic failure when writing a dataframe of 1 column of integer. this should solve issue Issue #3628 

...lite ( Issue #3628 )

A push of a dataframe of one column of integers fail ungraciously, because sqlite doesn't recognize well the data type.
This should solve the problem by converting back to normal types