all url tests passing

src/main.zig

@@ -180,8 +180,6 @@ pub fn main() anyerror!void {
                 }
             },
             .ec2_query_no_input => {
-                // TODO: hunt down this compile error:
-                // fmt.zig:459:5: error: invalid format string 's' for type 'models.ec2.2016-11-15.json.Filter
                 std.log.err("EC2 functions not yet working in 0.11", .{});
                 // // Describe regions is a simpler request and easier to debug
                 const result = try client.call(services.ec2.describe_regions.Request{}, options);

src/url.zig

@@ -55,6 +55,10 @@ pub fn encodeInternal(
             rc = try encodeInternal(allocator, parent, field_name, first, obj.*, writer, options);
         } else {
             if (!first) _ = try writer.write("&");
+            // @compileLog(@typeInfo(@TypeOf(obj)));
+            if (ti.child == []const u8 or ti.child == u8)
+                try writer.print("{s}{s}={s}", .{ parent, field_name, obj })
+            else
                 try writer.print("{s}{s}={any}", .{ parent, field_name, obj });
             rc = false;
         },