signal x-linking error

        $foo->registerSignal('username', bar::T_SIGNAL_EMIT_EVENT_INIT, 500, [$bar, 'username']);
        $foo->registerSignal('propertySet', bar::T_SIGNAL_EMIT_EVENT_INIT, 500, [$bob, 'propertySet']);

        $foo->propertySet('scheme', 'http');
        $foo->propertySet('host',   'localfrost');
        $foo->propertySet('username',   'fruffl');


/*
HDDR    000000007a05770c000000000a0f3550
EDDR    500
REVIEW
    OUTER   000000007a05770c000000000a0f3550: [UNSOLVED]    <ILLI\Core\Exception:500>
                                root\bar::username() is not a function.

SET
    CLASS: ILLI\Core\Exception
    HASH: 000000007a05770c000000000a0f3550
    HDDR: 000000007a05770c000000000a0f3550
    EDDR: 500
    STATUS: UNSOLVED
    MESSAGE: "root\\bar::username() is not a function."
    CODE: 500
    FILE: /ILLI:Core/Object.ddl
    LINE: 315

TRACK

OUTER   [UNSOLVED] <ILLI\Core\Exception:500>

    root\bar::username() is not a function.

    NEXT HDDR   NULL
    PREV HDDR   NULL
    THIS HASH   000000007a05770c000000000a0f3550: <ILLI\Core\Exception:500>
    THROWN IN   /ILLI:Core/Object.ddl, line 315
    TRACE
            <ILLI\Core\Exception:500>
            0x01f4: line 0079 /var/www/dev/__MAIN__.ddl                         ILLI\Core\Object->propertySet
            0x01f5: line 0170 /ILLI:Core/Object.ddl                             ILLI\Core\Object->aspectable
            0x01f6: line 0637 /ILLI:Core/Object.ddl                             ILLI\Core\Object->Core_Object_T_MethodFacade_emit
            0x01f7: line 0046 /ILLI:Core/Object/T_MethodFacade.ddl              ILLI\Core\Invoke::emit
            0x01f8: line 0113 /ILLI:Core/Invoke.ddl                             ILLI\Core\Invoke::T_Callable_emit
            0x01f9: line 0020 /ILLI:Core/Invoke/T_Callable.ddl                  Closure->__invoke
            0x01fa: line 0020 /ILLI:Core/Invoke/T_Callable.ddl                  root\foo->ILLI\Core\{closure}
            0x01fb: line 0635 /ILLI:Core/Object.ddl                             ILLI\Core\Invoke::emit
            0x01fc: line 0113 /ILLI:Core/Invoke.ddl                             ILLI\Core\Invoke::T_Callable_emit
            0x01fd: line 0027 /ILLI:Core/Invoke/T_Callable.ddl                  Closure->__invoke
            0x01fe: line 0027 /ILLI:Core/Invoke/T_Callable.ddl                  root\foo->ILLI\Core\{closure}
            0x01ff: line 0169 /ILLI:Core/Object.ddl                             ILLI\Core\Object->aspectable
            0x0200: line 0617 /ILLI:Core/Object.ddl                             ILLI\Core\Object->Core_Object_T_Signal_emit
            0x0201: line 0141 /ILLI:Core/Object/T_Signal.ddl                    ILLI\Core\Invoke::emit
            0x0202: line 0105 /ILLI:Core/Invoke.ddl                             ILLI\Core\Invoke::T_Method_emit
            0x0203: line 0063 /ILLI:Core/Invoke/T_Method.ddl                    ILLI\Core\Object->reseiveSignal
            0x0204: line 0170 /ILLI:Core/Object/T_Signal.ddl                    ILLI\Core\Object->Core_Object_T_Invoke_method
            0x0205: line 0027 /ILLI:Core/Object/T_Invoke.ddl                    root\bar->username
            0x0206: line 0027 /ILLI:Core/Object/T_Invoke.ddl                    ILLI\Core\Object->__call