Make sure propTypes accept what gets passed in

src/components/fields/SpecField.jsx

@@ -43,6 +43,7 @@ export default class SpecField extends React.Component {
       React.PropTypes.string,
       React.PropTypes.number,
       React.PropTypes.array,
+      React.PropTypes.bool
     ]),
     /** Override the style of the field */
     style: React.PropTypes.object,

src/components/fields/ZoomSpecField.jsx

@@ -31,6 +31,7 @@ export default class ZoomSpecProperty  extends React.Component {
       React.PropTypes.string,
       React.PropTypes.number,
       React.PropTypes.bool,
+      React.PropTypes.array
     ]),
   }