handled some unwraps in cd

error reporting now blames the function call span instead of the errored command inside the function

src/parse/execute.rs

@@ -319,7 +319,7 @@ impl Dispatcher {
 						state::set_status(*code);
 						Ok(())
 					}
-					_ => Err(e),
+					_ => Err(e).blame(blame),
 				}
 			} else {
 				Ok(())