Minor optimizations in lexer

src/Script.cpp

@@ -33,7 +33,7 @@ Script::~Script() {
 }
 
 void Script::Parse(string script) {
-    auto lexer = Lexer(std::move(script), this);
+    auto lexer = Lexer(&script, this);
     auto lexResult = lexer.Lex();
     auto parser = Parser(lexResult, this);
     auto parseResult = parser.Parse();