Merge pull request #9 from sarce/patch-2

When doing a findById() call, the function returned an integer breaking the conditions inside generateQuery().

Model/Datasource/ElasticSource.php

@@ -965,7 +965,7 @@ public function afterParseConditions(Model $Model, $filters = array()) {
 		} elseif (!empty($filters[0])) {
 			$filters = $filters[0];
 			if (!empty($filters['term']['id']) && count($filters['term']['id']) === 1) {
-				return $filters['term']['id'][0];
+				$filters['term']['id'] = $filters['term']['id'][0];
 			}
 		}
 		return $filters;