Ilan-dev

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* add elf command to tarinfo
* add number of ELF files to `tarinfo stat` output

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* add select command to tarinfo
* use `argparse` module in cleanup and improve ignoring directories

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* add `tarinfo missing` to list missing directories
* fix allowing `.abi3.so` in Python C extension filename (`tarinfo cext`)

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* `tarinfo` uses commands now (remove deprecated `optparse`)
* add `ls` and `stat` command to `tarinfo`
* add --version to `cleanup` and `tarinfo` commands
* add tests

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* remove `--dry-run` option from `cleanup`
* add `--ed` option to `tarfile`