update TODO
support check roles hasPermission() from web or command line
support handle association between permission and role (mgmt.php part)
refactor for updating selection menu of association between roles and perms
more refactor about updating selection menu of operation on roles
support update association menu when specific permission been selected
support assign new role to selected perm and update the association menu
support remove role from selected permission and update the association menu
fine tunes to unify
bug fixed cuz there is no Roles->unassign() API
forgive me, there is Roles->unassign() API, the bug is $title vs $TITLE
remove unnecessary <td>...</td>