reqeust filtered out some important chars

webutils.cc

@@ -180,7 +180,8 @@ std::string WebRequestBuffer::GetRequest() {
     for (int i = 0; i < request.length(); i++) {
         c = request[i];
         if (((c >= '0' && c <= '9') || (c >= 'a' && c <= 'z') || 
-             (c >= 'A' && c <= 'Z') || c == '/' || c == '.' || c == '-' ) &&
+             (c >= 'A' && c <= 'Z') || c == '/' || c == '.' || c == '-' || 
+             c == '?' || c == '%') &&
             (!((c == '.' || c == '/' ) && (lastc == '/' || lastc == '.')))) {
                 rq += c;
                 lastc = c;