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=head2 Message Dispatch

If you define methods using the -/+ syntax, ObjectivePerl will
translate those method definitions into regular perl subs with
names based on the method name and its arguments.  You can then
invoke those methods using obj-c style messages.  However,
there are often times when you need to call older perl code that
does not list its arguments in its signature, or perhaps you wish
to invoke a method across the PerlObjCBridge in OSX.  To do
this transparently, the ObjectivePerl runtime uses a method lookup
cascade that works as follows:

    1. It tries to find the correctly-defined method
       for the invocation using ObjectivePerl syntax
    2. (NEW in 0.03 for CamelBones Compatibility) 
       It tries to find a method whose name corresponds
       to the message name and its argument list, separated
       by underscores, so for this invocation:

       ~[$myObject appendToResponse:$response inContext:$context];