--sse option doesn't work when installing via pip

[rob]

Duplicate of #14

The --sse option doesn't work when installing from pip, resulting in error

s3-pit-restore: error: unrecognized arguments: --sse AES256

Recommended solution is to clone this repo and build from master branch.

git clone https://github.com/angeloc/s3-pit-restore.git && cd s3-pit-restore
python3 setup.py install