[#42059313] Added create Labellable action

It does not contains label(s) creation.
That will be a separate create action.
[#42059313] Added missing newline to the end of file(s)
Merge pull request #68 from ke4/42059313_add_create_labellable_action_to_the_core

42059313 add create labellable action to the core
Bumb version 16.1 and update doc
[fixes #42216835] fix labellable persistence.
Merge pull request #70 from maxigit/42216835_labelabble_persistence_doesn't_save_name

[fixes #42216835] fix labellable persistence.