Added type: auto default back. Fixes #21.

Author: pluma

lib/collection.js

@@ -187,7 +187,11 @@ extend(BaseCollection.prototype, {
       path: 'import',
       body: data,
       ld: Boolean(opts.type !== 'array'),
-      qs: extend({}, opts, {collection: this.name})
+      qs: extend({
+        type: 'auto'
+      }, opts, {
+        collection: this.name
+      })
     }, function (err, body) {
       if (err) callback(err);
       else callback(null, body);