Fix `d3_array` for older/more esoteric browsers.

This code is adapted from `makeArray` in Sizzle.js.

src/core/array.js

@@ -1,3 +1,34 @@
 function d3_array(psuedoarray) {
   return Array.prototype.slice.call(psuedoarray);
 }
+
+// Adapted from Sizzle.js:
+//
+// Perform a simple check to determine if the browser is capable of
+// converting a NodeList to an array using builtin methods.
+// Also verifies that the returned array holds DOM nodes
+// (which is not the case in the Blackberry browser)
+try {
+  Array.prototype.slice.call(document.documentElement.childNodes, 0)[0].nodeType;
+// Provide a fallback method if it does not work
+} catch(e) {
+  d3_array = function(array) {
+    var i = 0,
+      ret = [];
+
+    if (toString.call(array) === "[object Array]") {
+      Array.prototype.push.apply(ret, array);
+    } else {
+      if (typeof array.length === "number") {
+        for (var l = array.length; i < l; i++) {
+          ret.push(array[i]);
+        }
+      } else {
+        for (; array[i]; i++) {
+          ret.push(array[i]);
+        }
+      }
+    }
+    return ret;
+  };
+}