[#41182563] Draft specs for create labellable action
[#41182563] modified the create labellable action spec
[#41182563] Improved create labellable action
[#41182563] Fixed small cosmetically issues
[#41182563] Started refactoring create labels action
[#41182563] refactoring create label action - step 1
[#41182563] refactoring create label action - step 2
[#41182563] Refactored create label action - step 3
[#41182563] added save_raw_association to labellable
[#41182563] Refactored the failing spec

Removed the 'create object' shared context, which
caused the circular reference 
and it is caused the spec to fail.
Also removed the commented lines from the spec.
[#41182563] Added more checks to create label spec
[#41182563] Refactored the create label spec
Merge pull request #74 from ke4/41182563_add_create_labels_action_in_the_core

41182563 add create labels action in the core
Bump version to 0.18.0