pyppd 1.1.0 release

Vastly reduced memory consumption when extracting a PPD file and incorporated the patches of the Debian/Ubuntu package

• When extracting a PPD file from the archive streaming decompression is used now instead of decompressing the whole archive into memory at once (Issue #2), Thanks to Sambhav Dusad (@dsam82).
• Use JSON dumps instead of Pickle dumps, from Ubuntu/Debian to make archive reproducible, but also faster than Pickle dumps. Thanks to Didier Raboud (@OdyX).
• Sort PPD list before archiving, from Ubuntu/Debian to make archive reproducable. Thanks to Didier Raboud (@OdyX)
• Use "python3" in shebangs, from Debian/Ubuntu