upgrade everything to the latest versions

[Harsh-Maheshwari]

If someone is interested to upgrade this package with the latest library versions, lets connect and we can create a pull request for this project

[MathieuCayssol]

We have made the upgrade to the latest library version. We would really appreciate if you could test the pre release here: https://pypi.org/project/functime/1.0.0rc1/