tarballing of output files

several steps:

• zipup/tarball corsika 8 output
• extend IO library to read tarballs/compressed archives

added Output Python labels

assigned to @acoleman

changed milestone to %Beta Release

created branch 716-tarballing-of-output-files to address this issue

mentioned in merge request !656 (merged)

mentioned in commit 1ce3a813

closed with merge request !656 (merged)