Documentation
- added documentation of using is_valid method of DriverType class ([apinanyogaratnam](https://github.com/apinanyogaratnam/cachier-python/commit/64872ec3b7390017a7ab7445744a327f54e7d36c))
Chores
- updated version ([apinanyogaratnam](https://github.com/apinanyogaratnam/cachier-python/commit/85127f2c20f8bfab26d4023ed191dcd59c3b3c51))
- updated version ([apinanyogaratnam](https://github.com/apinanyogaratnam/cachier-python/commit/0f495ff9c8475090408175d4062fcc6a97de062b))
- built package ([apinanyogaratnam](https://github.com/apinanyogaratnam/cachier-python/commit/153bb9545e2e3e8a93903506fc39063606056997))