Bump pyexcel from 0.5.8 to 0.5.9.1
Bump pyexcel from 0.5.8 to 0.5.9.1

Bumps [pyexcel](https://github.com/pyexcel/pyexcel) from 0.5.8 to 0.5.9.1.
- [Release notes](https://github.com/pyexcel/pyexcel/releases)
- [Changelog](https://github.com/pyexcel/pyexcel/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pyexcel/pyexcel/compare/v0.5.8...v0.5.9.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
rloomans/measure-mate,rloomans/measure-mate,rloomans/measure-mate,rloomans/measure-mate