Add Composer autoloading functions and PHPStan for testing

lib/CoreFunctions.php

@@ -0,0 +1,24 @@
+<?
+// Auto-included by Composer in composer.json
+// These functions are broken out of Core.php to satisfy PHPStan
+
+// Convenience alias of var_dump.
+function vd($var){
+	var_dump($var);
+}
+
+// var_dump($var) then die().
+function vdd($var){
+	var_dump($var);
+	die();
+}
+
+// var_dump into a string.
+function vds($var){
+	ob_start();
+	var_dump($var);
+	$str = ob_get_contents();
+	ob_end_clean();
+	return $str;
+}
+?>