- epm-repo: fix set
- epm-release_upgrade: big rewrite, add support for downgrade to с8
- epm-release_upgrade: allow two params: from and to

- epm: skip all args with spaces (we don't support it)
- epm-dedup: add --direct support to use epm internal implementation
- epm-repofix: add support for yandex and basealt
- epm-addrepo: add support for basealt and yandex repo sites
- epm-release_upgrade: replace etersoft-gpgkeys with alt-gpgkeys if we have not LINUX@Etersoft repo
- epm-repo: add set command implemented via clean & change
- epm-repack: don't intersect with source rpm package

- fix typo in get_task_packages

- mask direct in assure_exists
- epm-repofix: mask apt-repo using
- update tools_estrlist from estrlist package
- epm-remove: add --skip-missed

- get_task_packages: add arepo packages (i586) too
- epm-upgrade: drop devel subpackages from upgrade from a task
- update tools_estrlist from estrlist package
- update glibc-restore prescription