code: public boolean isPermittedAll(Collection<String> permissions) {
          for (boolean permitted : isPermitted(permissions.toArray(new String[permissions.size()]))) {
              if (!permitted) {
                  return false;
              }
          }
          return true;
      }
docs: Returns {@code true} if this Account implies all of the specified permission strings, {@code false} otherwise.
  <p>
  This is an overloaded method for the corresponding type-safe {@link fathom.authz.Permission Permission}
  variant.  Please see the class-level JavaDoc for more information on these String-based permission methods.
  
  @param permissions the String representations of the Permissions that are being checked.
  @return true if this Account has all of the specified permissions, false otherwise.