Added the ability to retrieve the actual response when inserting records
      in bulk. Also added a method to retrieve a table definition.
Updated unit tests to account for swallow_results
Updated all relevant methods to make use of swallow_results parameter
Updated all exception catching to catch explicit exceptions
Updated structure of exception response in push_rows
Updated logging in push_rows exception handler to use logging.exception
        so that the full stack trace is returned.
Merge pull request #32 from blarghmatey/dont_swallow_response

Added the ability to retrieve the actual response when inserting records in bulk.