Namespace fixes for group and network iterators, a=chris

diff --git a/library/index_bundle_iterators/GroupIterator.php b/library/index_bundle_iterators/GroupIterator.php
index 17beb517e..2bc500a00 100644
--- a/library/index_bundle_iterators/GroupIterator.php
+++ b/library/index_bundle_iterators/GroupIterator.php
@@ -30,6 +30,7 @@
  */
 namespace seekquarry\yioop\library\index_bundle_iterators;

+use seekquarry\yioop\library as L;
 use seekquarry\yioop\library\IndexShard;

 if (!defined('BASE_DIR')) {echo "BAD REQUEST"; exit();}
@@ -348,7 +349,8 @@ class GroupIterator extends IndexBundleIterator
             $add_lookup = false;
             if ($this->network_flag) {
                 $hash = $out_pages[$hash_url][self::HASH];
-                $is_location = (crawlHash($hash_url."LOCATION", true) == $hash);
+                $is_location =
+                    (L\crawlHash($hash_url."LOCATION", true) == $hash);
                 if (!$out_pages[$hash_url][self::IS_DOC] || $is_location) {
                     $add_lookup = true;
                 }
diff --git a/library/index_bundle_iterators/NetworkIterator.php b/library/index_bundle_iterators/NetworkIterator.php
index 00e1e1686..5b313964c 100644
--- a/library/index_bundle_iterators/NetworkIterator.php
+++ b/library/index_bundle_iterators/NetworkIterator.php
@@ -32,6 +32,8 @@ namespace seekquarry\yioop\library\IndexBundleIterators;
  */
 namespace seekquarry\yioop\library\index_bundle_iterators;

+use seekquarry\yioop\library as L;
+use seekquarry\yioop\library\CrawlConstants;
 use seekquarry\yioop\library\FetchUrl;
 use seekquarry\yioop\library\AnalyticsManager;

@@ -230,7 +232,7 @@ class NetworkIterator extends IndexBundleIterator
             $downloads = FetchUrl::getPages($sites, false, 0, null, self::URL,
                 self::PAGE, true);
         }
-        $net_times += changeInMicrotime($download_time);
+        $net_times += L\changeInMicrotime($download_time);
         AnalyticsManager::set("NET_TIMES", $net_times);
         $results = [];
         $count = count($downloads);