Fix handling of \u escapes

JSONStream.php

@@ -47,6 +47,10 @@ class JSONStream
         $this->offset++;
         $this->skipWhitespace();
         $st = $this->buffer[$this->offset] === '}' ? 2 : 1;
+        if ($st == 2)
+        {
+            $this->offset++;
+        }
         $this->in[] = [ $st, self::OBJ, NULL, false ];
     }
 
@@ -64,6 +68,10 @@ class JSONStream
         $this->offset++;
         $this->skipWhitespace();
         $st = $this->buffer[$this->offset] === ']' ? 2 : 1;
+        if ($st == 2)
+        {
+            $this->offset++;
+        }
         $this->in[] = [ $st, self::ARR, NULL, false ];
     }
 
@@ -119,7 +127,7 @@ class JSONStream
             $v = $this->readToken();
         } while (count($this->in) > $n);
         $value = $v;
-        return ($this->in[count($this->in)-1][0] == 1);
+        return true;
     }
 
     public function unreadBuffer()
@@ -224,7 +232,7 @@ class JSONStream
                 $this->offset += strlen($m[0]);
                 if ($m[0][0] == "\\")
                 {
-                    if ($m[0] == 'u')
+                    if ($m[0][1] == 'u')
                         $v .= mb_convert_encoding(pack('H*', str_replace('\\u', '', $m[0])), 'UTF-8', 'UTF-16BE');
                     else
                     {