Initial release

The highlighted features are:

turn uploaded excel file directly into Python data struture
pass Python data structures as an excel file download
provide data persistence as an excel file in server side
supports csv, tsv, csvz, tsvz by default and other formats are supported via the following plugins:

Available Plugins
Plugins Supported file formats
pyexcel-xls xls, xlsx(r), xlsm(r)
pyexcel-xlsx xlsx
pyexcel-ods ods (python 2.6, 2.7)
pyexcel-ods3 ods (python 2.7, 3.3, 3.4)
pyexcel-text (write only) json, rst, mediawiki, etc.