bump version to 1.0.8

Adjustments for PyPI and RTD

V1.0.6 (#12)

* Changed version to 1.0.6

* Added CONTRIBUTING

* Linked CONTRIBUTING from README

* Renamed CONTRIBUTING to .md

* Fixed md links

* Minor change to CONTRIBUTING

Updated sphinx config and documentation

Changed version to 1.0.4

Updated docs example

Updated package description

Update package version