Add bkp - backup utility

[gergelyk]

What is this Python project?

CLI tool. Makes backup copies of your files/directories. Supports TGZ format and annotations.

What's the difference between this Python project and similar ones?

• cp
  Requires more typing and preferably support of bash, e.g. cp -r /full/path/to/my/file.txt{,.bkp}.
  Requires support of rm to remove unused files.
  Doesn't support annotations.
  Doesn't support TGZ archives.
• tar
  Requires more typing and preferably support of bash, e.g. tar czvf Makefile{.tgz,}.
  Requires support of rm to remove unused files.
  Doesn't support annotations.
• git
  Requires more effort to get familiar with.
  Doesn't make redundant copies (for protecting against unreliable storage devices).
  Doesn't support TGZ archives.

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