void onNotFound(bool(void)) handler routes and errors not in the
defined handlers
int args() returns nubmer of currentarguments
String arg(int i) returns the "i" argument value
String argName(int i) returns the "i" argument name(key)
bool hasArg(const char * name) looks up if an argument exist by
seraching for it's key
warning: format '%d' expects argument of type 'int', but argument 3 has type 'long unsigned int' [-Wformat=]
warning: defined but not used [-Wunused-variable]
warning: declared 'static' but never defined [-Wunused-function]
warning: suggest parentheses around '&&' within '||' [-Wparentheses}
