Move Global Functions - Part 3

- Replaced every CACHE definition
- Moved check_url to App->checkURL()
- Removed unused definition "ZCURL_TIMEOUT"

src/Util/JsonLD.php

@@ -43,7 +43,7 @@ class JsonLD
 		}
 
 		$data = jsonld_default_document_loader($url);
-		Cache::set('documentLoader:' . $url, $data, CACHE_DAY);
+		Cache::set('documentLoader:' . $url, $data, Cache::DAY);
 		return $data;
 	}