Fix handling of variable style access to self and parent object messages defined with lambdas. Improve test case for this bug to include parent object access as well as self object access.

{
	foo <- { 42 }
	#{
		qux <- foo:
		bar <- #{
			
			baz <- {
				foo:
			}
			
		}
		
		main <- {
			print: (string: (bar baz))
		}
	}
}