Fix --grub-id option handling.

Check for duplicates consistently in the clone and edit commands.
Apply correct command line precedence to --add-opts and --del-opts.
Correctly merge multiple --add/del-opts when editing or cloning.
Correctly propagate --add/del-opts in boom edit commands.
Enhanced logging of --add/del-opts merge logic.
The default Python interpreter is now /usr/bin/python.
Fixed re-ordering of options modifications when read from disk.
Do not set BootParams attributes for anonymous option words.
Make lvm_root_lv validation checks more strict.
Improve BootParams.from_entry() parameter recovery debug logging.
Include sample OsProfile for Fedora 32.
Re-set sandbox state in test suite to ensure run-to-run consistency.
Improve compatibility with Red Hat BLS implementation.
Allow non-boom managed entries to be listed and displayed.
Handle quirks in Red Hat's use of the BLS machine_id key.
Allow grub2 bootloader variables to be expanded when cloning entries.
Simplify clone_entry logic and make consistent with edit_entry.
Ensure stable ordering of legacy boot entry configuration.

Fix RHEL-8 profiles.
Fix --add/del-opt precedence.
Fix backup image reference counting.

Update to bug fix release 1.2.

Fix unicode entries handling.
Add tracebacks when --debug is used.

Update to new upstream release 1.1.
Add caching of kernel and init ramdisk images.

Update to new upstream release 1.0.

Fix packaging issues.

Test upstream packaging.

Reduce log level of "Could not load BootEntry" messages.
Raise more appropriate LookupError on unknown BLS keys.

Disable GRUB2 plugin on RHEL-8.

Require the Python interpreter directly instead of using the package name
Related: rhbz#1619153

Change dependencies.

Split executable, python module and configuration.

Spin off grub2 into subpackage

Update to new upstream 0.9.
Fix boot_id caching.