. issue `pyexcel14 <https://github.com/pyexcel/pyexcel/issues/14>`_, index error when reading a ods file that has non-uniform columns repeated property.
. support pagination. two pairs: start_row, row_limit and start_column, column_limit help you deal with large files. . use odfpy 1.3.3 as compulsory package. offically support python 3