Optimise building

Removing the original file before building and removing the "update" options of 7zip seem to be the best way to go about it
Optimise building

Removing the original file before building and removing the "update" options of 7zip seem to be the best way to go about it
Oops

Forgot to remove this in the last commit
Merge pull request #1 from Kryten2k35/master

A couple of fixes for you!