added imports in __init__.py s
corrected test and sample main
Merge pull request #5 from gustvgdt/master

modifications de models
added imports in __init__.py s
mise à jour
màj
test successful
Sourie
Merge pull request #6 from gustvgdt/master

Petites corrections suite au test
reindent, debug
new errors defined
get_full_path -> get_resource path
corrected main loop
arranged states
deleted test_state
external sample
delete LayeredView.py (only to change case)
added layeredview.py (new case)
deleted temp layeredview2.py
exit state but not sure it will be useful