Some changes after running Findbugs.

src/main/java/org/dynmap/web/handlers/ClientUpdateHandler.java

@@ -30,7 +30,7 @@ public class ClientUpdateHandler implements HttpHandler {
         this.server = server;
     }
 
-    Pattern updatePathPattern = Pattern.compile("world/([a-zA-Z0-9_-\\.]+)/([0-9]*)");
+    Pattern updatePathPattern = Pattern.compile("world/([a-zA-Z0-9_\\-\\.]+)/([0-9]*)");
     private static final HttpStatus WorldNotFound = new HttpStatus(HttpStatus.NotFound.getCode(), "World Not Found"); 
     @Override
     public void handle(String path, HttpRequest request, HttpResponse response) throws Exception {

src/main/java/org/dynmap/web/handlers/SendMessageHandler.java

@@ -39,7 +39,7 @@ public class SendMessageHandler implements HttpHandler {
         response.status = HttpStatus.OK;
         response.getBody();
     }
-    public class Message {
+    public static class Message {
         public String name;
         public String message;
     }