Copyright for python-libarchive-c source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: python-libarchive-c
Source: https://github.com/Changaco/python-libarchive-c

Files: *
Copyright: 2014-2018, Changaco 
License: CC-0

Files: debian/*
Copyright: 2015, Jerémy Bobbio 
           2019, Mattia Rizzolo 
License: permissive

License: CC-0
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License: permissive
 Copying and distribution of this package, with or without
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 provided the copyright notice and this notice are
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