- Added while/endwhile and do/while syntaxes

- Fix the abstractclass requirement of parse() function

src/ControlStructure/BlockToken.php

@@ -6,7 +6,7 @@ class BlockToken implements ControlStructure {
 
     public array $token = [ "arguments", "block", "endblock", "define", "slot", "endslot", "using" ];
 
-    public function parse(/*\Picae\Compiler\Context*/ &$context, ?string $arguments, string $token) {
+    public function parse(\Picea\Compiler\Context &$context, ?string $arguments, string $token) {
         static $slotDefinitions = [];
 
         switch($token) {