update version to 0.24

README.md

-# RelAST Preprocessor Version 0.2.3
+# RelAST Preprocessor Version 0.2.4
 
 ![RelAST process](relast-process.png)
 

src/main/java/org/jastadd/relast/compiler/Compiler.java

@@ -14,7 +14,7 @@ import java.util.List;
 
 public class Compiler {
 
-  private static final String VERSION = "0.2.3";
+  private static final String VERSION = "0.2.4";
 
   private ArrayList<Option<?>> options;
   private FlagOption optionWriteToFile;