support maps instead of lists

Added the ability to convert some customized slices as maps (#10)

* Ability for convert some configured slices as maps is added

* Some comments

* Some fixes for generate slices

* Tests are fixed

* comment is added

Co-authored-by: Konstantin Zhernosenko <konstantin.zhernosenko@humans.net>

Some improvement

Delete method now deletes parent if after the child deletion it becomes to be empty.
Method IsEmpty is added.

Fix of nesting level identification

Nesting level initialisation for root children is fixed (#8)

Co-authored-by: Konstantin Zhernosenko <konstantin.zhernosenko@humans.net>

Delete method is added

Delete method and some fixes are added (#7)

Co-authored-by: Konstantin Zhernosenko <konstantin.zhernosenko@humans.net>

Fix of JSON encoder

Fix of JSON encoder (#6)

Co-authored-by: Konstantin Zhernosenko <konstantin.zhernosenko@humans.net>

Tree is separated

Also, many new methods are added. Found bugs are fixed.

Renaming to CIMP

v0.2.0

Renaming to CIMP

Init functional

v0.1.0

Merge pull request #1 from humans-group/BE-2102-cimp-init