Octodns-selectel

Changes

* Add escaping semicolon for TXT records in `SelectelProvider` and `SelectelProviderLegacy`

Changes

* Make v1 and v2 directories into modules for correct distribution

Changes

* Move existing provider and related tests to separate directories `v1`
* Rename public name from `SelectelProvider` to `SelectelProviderLegacy`
* Add `list_zones()` method to support "*" for planning
* Fix SSHFP parsing bug, caused by trailing dot in fingerprint which lead to constant re-update of record
* Move version varible to separate file, since now it is utilized by two providers. Storing it in `__init__.py` causes cycling imports
* Update `script/release` and `setup.py` to parse version from another location
* Update `readme.md` with focus on new provider

New

* Add new `SelectelProvider` class to support v2 API
* Isolate API calls into separate class
* Add tests for SelectelProvider

Changes

* Remove function forcing escaping semicolon in TXT content which caused record updating even if no changes were done to it

Changes

* Add support for ALIAS and SSHFP record types
* Fix multiple records deletein bug

Changes

* Removed SPF support, since Selectel API no longer supports it
* Fixed bug with wrong fqdn formatting during record deletion