random_sheet_name       Get a random sheet name
ss_add_columns          Add columns to an existing sheet
ss_add_rows             Add rows to a sheet.
ss_api                  The workhorse function that performs each call
                        to the Smartsheet API
ss_cols_to_dataframe    Helper function to take columns data and create
                        a data frame.
ss_column_ids           List column ids for a given sheet
ss_column_type          Return the Smartsheet Column Type that aligns
                        with the R class
ss_column_type_to_class
                        Return an empty vector of the correct class
                        from the smartsheet Column Type
ss_delete_columns       Delete non-primary columns from a given sheet.
ss_delete_rows          Delete rows from a given sheet
ss_delete_sheet         Delete a smartsheet
ss_get                  Execute curl commands for the Smartsheet API
ss_list_sheet_shares    List share data for a given sheet
ss_list_sheets          Get a data frame describing the smartsheets
                        available
ss_list_users           List smartsheet users
ss_read_sheet           Reads a Smartsheet sheet into an R data frame
ss_rename_columns       Rename columns
ss_replace_sheet        Replace the contents of a sheet with a new data
                        frame
ss_resp_data_to_dataframe
                        Helper to rbind lists in a list into a data
                        frame
ss_row_ids              List row ids for a given sheet
ss_sheet_share          Share a sheet with a user
ss_sheetid              Get a smartsheet sheetId from a response
ss_write_sheet          Create a sheet
ss_write_sheet_columns
                        Write the initial columns for the a sheet
unlist_and_replace_null
                        Helper function to replace NULL values with NA,
                        and unlist, which is useful in converting
                        nested lists to data frames
validate_ss_id          Validate or get the sheetID from a
                        numeric/character vector
