updated hws: expanded error page functionality

hws/errors_test.go

@@ -17,13 +17,13 @@ import (
 type goodPage struct{}
 type badPage struct{}
 
-func goodRender(code int) (hws.ErrorPage, error) {
+func goodRender(error hws.HWSError) (hws.ErrorPage, error) {
 	return goodPage{}, nil
 }
-func badRender1(code int) (hws.ErrorPage, error) {
+func badRender1(error hws.HWSError) (hws.ErrorPage, error) {
 	return badPage{}, nil
 }
-func badRender2(code int) (hws.ErrorPage, error) {
+func badRender2(error hws.HWSError) (hws.ErrorPage, error) {
 	return nil, errors.New("I'm an error")
 }