Update the max length to be 8192 to match common web server defaults

Author: m0ver

src/main/java/org/tinystruct/handler/HttpStaticFileHandler.java

@@ -108,7 +108,7 @@ private static String sanitizeUri(String uri) {
         }
 
         // Not allow too long string.
-        if (uri.length() > 255) {
+        if (uri.length() > 8192) {
             throw new IllegalArgumentException("Input too long");
         }