- Refractored Date/time fields

- Added an implode function on EntityCollection

src/EntityCollection.php

@@ -107,4 +107,15 @@ class EntityCollection extends \ArrayObject {
         
         return $list;
     }
+    
+    public function implode(string $glue, ? Callable $callback = null) : string 
+    {
+        $values = [];
+        
+        foreach($this as $item) {
+            $values[] = $callback ? $callback($item) : (string) $item;
+        }
+        
+        return implode($glue, $values);
+    }
 }