sayepurge.sh: add script for selective purging of backups
sayepurge.sh: message fixup
sayepurge.sh: use stderr for error messages
sayepurge.sh: fix "--fake" option processing
sayepurge.sh: fix --inc for incremental backups
sayepurge.sh: improve documentation
README.md: link to backup articles
Merge branch 'sayepurge'

* sayepurge:
  README.md: link to backup articles
  sayepurge.sh: improve documentation
  sayepurge.sh: fix --inc for incremental backups
  sayepurge.sh: fix "--fake" option processing
  sayepurge.sh: use stderr for error messages
  sayepurge.sh: message fixup
  sayepurge.sh: add script for selective purging of backups
Release 0.0.2 (sayepurge.sh)

* sayepurge:
  README.md: link to backup articles
  sayepurge.sh: improve documentation
  sayepurge.sh: fix --inc for incremental backups
  sayepurge.sh: fix "--fake" option processing
  sayepurge.sh: use stderr for error messages
  sayepurge.sh: message fixup
  sayepurge.sh: add script for selective purging of backups