Add string literals

include/token/errors.hpp

@@ -0,0 +1,18 @@
+#pragma once
+#include <stdexcept>
+#include <token/token.hpp>
+
+namespace Token
+{
+	struct TokenizationError : public std::exception
+	{
+		Token errorToken;
+		std::string errorMsg;
+		TokenizationError(Token const & token, std::string const & msg);
+	};
+
+	struct MissingEndOfString : public TokenizationError
+	{
+		MissingEndOfString(Token const & token);
+	};
+}