Feature/Trait Parser cant parse arguments with generic args as generic arguments

[LukasSiefke]

This test fails:

descend/src/parser/mod.rs

Lines 2958 to 2964 in 202da65

	#[test]
	#[ignore] //TODO Dont work
	fn test_pass_arg_kinded_with_generics() {
	let src = "let x = Point::<42, Point2<T>> { x: 42, x: 43}";
	descend::expr_helper(src).expect("Cannot parse struct initialization");
	}

The error message is:
thread 'parser::tests::test_pass_arg_kinded_with_generics' panicked at 'Cannot parse struct initialization: ParseError { location: LineCol { line: 1, column: 27, offset: 26 }, expected: ExpectedSet { expected: {"">"", "'a' ..= 'z' | 'A' ..= 'Z' | '0' ..= '9' | '_'", "",""} } }', src/parser/mod.rs:2940:35