Objective-C: Implement missing property attributes.

[stanislaw]

property	const mull::objc::objc_property64 *	0x1047ea3a0	0x00000001047ea3a0
name	const char *	"hash"	0x00000001047e9d17
attributes	const char *	"TQ,R"	0x00000001047e9d1c

https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtPropertyIntrospection.html#//apple_ref/doc/uid/TP40008048-CH101-SW5

[stanislav-saucelabs]

Property: searchList
token:T@"NSArray"
token:N
token:C
Assertion failed: (false && "Unknown type"), function parsePropertyAttributes, file /opt/mull-jit-lab/lab-jit-objc/llvm-jit-lab/src/ObjCRuntime.mm, line 342.