modified encoding for evergreen target it doesnt like phps default encoding

targets/evergreen/roblib_search_evergreen.module

@@ -167,8 +167,8 @@ function roblib_search_evergreen_get_results($query) {
   $url = variable_get('roblib_search_evergreen_url', 'http://137.149.200.52');
   $url_suffix = variable_get('roblib_search_evergreen_search_suffix', '/opac/extras/sru?version=1.1&operation=searchRetrieve&query=');
   $number_of_records = variable_get('roblib_search_evergreen_num_results', '5');
-  $query = str_replace(' ', ' AND ',$query); //hack until the library decides if we want phrase or individual words
-  $query = urlencode($query . ' AND "prince edward island"');
+  $query = str_replace(' ', '%20AND%20',$query); //hack until the library decides if we want phrase or individual words
+  $query .= '%20AND%20%22prince%20edward%20island%22';
   $search_url = $url . $url_suffix . $query  . '&maximumRecords=' . $number_of_records;
   $catalog_base_search_url = variable_get('roblib_search_evergreen_catalog_base_search_url', 'http://islandpines.roblib.upei.ca/opac/en-CA/skin/roblib/xml/rresult.xml?rt=keyword&tp=keyword&t=');
   drupal_add_js(array('roblib_search_evergreen' => array('catalog_url' => $catalog_base_search_url)), array('type' => 'setting'));