cubicweb-container #3477725 please document utility functions [resolved]

Most functions in utils.py are not documented, despite they seem to be rather essential.

priorityimportant
typeenhancement
done in2.3.0
load1.000
load left0.000
closed by<not specified>
patchDocument define_container utility function [applied]Improve documentation of container_static_structure and container_rtypes_etypes utility functions [applied]