- change sql query from string to array
- update template
- update password hashing
- give more espressive name

	modified:   mailbox_import_from_csv/README
	modified:   mailbox_import_from_csv/mailbox_import.htm
	modified:   mailbox_import_from_csv/mailbox_import.menu.php
	modified:   mailbox_import_from_csv/mailbox_import.php