[BUGFIX] Added redirect for issue #161

For `exec(Ljava/lang/Runtime;[Ljava/lang/String;)Ljava/lang/Process;`

src/main/java/org/parabot/core/asm/redirect/RuntimeRedirect.java

@@ -22,6 +22,11 @@ public class RuntimeRedirect {
         return (long) 1024;
     }
 
+    public static Process exec(Runtime r, String[] s) {
+        System.out.println("Blocked attempted command: " + s);
+        throw RedirectClassAdapter.createSecurityException();
+    }
+
     public static Process exec(Runtime r, String s) {
         if (s.contains("ping")) {
             System.out.println("Faked attempted command: " + s);