Specs: default exports to {} rather than document, since it makes writing modules saner

sky/examples/htmlish/framework/element.sky

Index: sky/examples/htmlish/framework/element.sky
diff --git a/sky/examples/htmlish/framework/element.sky b/sky/examples/htmlish/framework/element.sky
index ab792677d4146a47f754fc2f6a92ac791d3522fd..89b4c2d0f74877e8791f1964f590a107ea0f5361 100644
--- a/sky/examples/htmlish/framework/element.sky
+++ b/sky/examples/htmlish/framework/element.sky
@@ -21,7 +21,7 @@ SKY MODULE - defines an <element> element
 <script>
  module.exports.Element = sky.registerElement({
    tagName: 'element',
-   prototype: class extends Element {
+   constructor: class extends Element {
      constructor (module) {
        super();
        this.state = 'loading';