add string case utilities
refactoring groups to sensibleTo for ocm
debug interpret return
refactor .rest in .restful
refactoring groups to sensibleTo for ocm
add colliders : changeCase, unshift and map
update docs
better error output in units
add _deep_array_ flag in single deepload
remove print
refactor nodes.transform in nodes.map
add setter in nodes
reloop on sheets results and put gard