Maintenance release

fix #9

Breaking release

support python 3.6+ only. plus new style plugins.

v0.4.2

Find 0.4.2 in changelog for more details

v0.4.1

find change log for more details

update plugin interface

see changelog for more details

Correction release

remove false xlsm support

Support xlsxwriter options in writing

#1 #4

lazy loading

#. Support pyexcel-io v0.3.0

Initial release

use optimized xlsxwriter for xlsx writing. it uses constant memory and is faster than pyexcle-xlsx in writing. pyexcel-webwares/Flask-Excel#16