Add advanced lookup for table names

src/lib.rs

@@ -445,6 +445,13 @@ mod tests {
         assert_eq!(*looked, Value::Integer(0));
     }
 
+		#[test]
+		fn lookup_advanced_table() {
+        let value: Value = r#"[table."name.other"] value = "my value""#.parse().unwrap();
+        let looked = value.lookup(r#"table."name.other".value"#).unwrap();
+        assert_eq!(*looked, Value::String(String::from("my value")));
+		}
+
     #[test]
     fn lookup_mut_advanced() {
         let mut value: Value = "[table]\n\"value\" = [0, 1, 2]".parse().unwrap();