Merge pull request hmalphettes#5 from dweinstein/fix-this-to-self-on-fetch-page-err

this => self for error in fetch page

Author: hmalphettes

lib/readable-search.js

@@ -51,7 +51,7 @@ ReadableHits.prototype._fetchNextPage = function() {//size) {
       self.hits = [];
       self._next = false;
       self.emit('error', e);
-      return this.push(null);
+      return self.push(null);
     }
     self.total = resp.hits.total;
     self._hits = resp.hits.hits;