add PasswordChecker
added method to create list of shares
Merge branch 'master' of https://github.com/corso-python-prato/share-system-team1 into share_list
fix on server and added skeleton of get shares list method
Merge branch 'master' of https://github.com/corso-python-prato/share-system-team1 into password
add test PasswordChecker
fix in client_daemon and added get shares list method in client_cmdmanager
skeleton of get shares list method and little fix on server
updates create user with a valid complex password
Merge branch 'master' into share_list
added return with error message in PasswordChecker
Merge branch 'master' of https://github.com/corso-python-prato/share-system-team1 into password
modified get shares list test to cover more cases
updated examples.txt
adding directives to create an acceptable password
some fixes to manage shares list in client
Merge branch 'master' into share_list

Conflicts:
	client/client_cmdmanager.py
	server/test_server.py
Merge branch 'master' into password

Conflicts:
	server/server.py
	server/test_server.py
fixed missing authentication for Shares Api
 add response.status_code == 406 in create_user