Added checksum verification
moved the deletion of files in the push function [skip ci]
Merge pull request #3 from savoirfairelinux/master

merge master
Merge pull request #4 from savoirfairelinux/master

Merge master [skip ci]
Now checkout packages one at a time [skip ci]
Merge pull request #5 from savoirfairelinux/checksum

Checksum