port_check

A simple rust library to get a free local port or to check if a port somewhere is reachable

Example: ```rust

// get a free local port let freeport = portcheck::freelocalport();

// get a free local port between 10000 and 15000 let freeportinrange = portcheck::freelocalportinrange(10000, 15000);

// check whether a remote port is reachable let isreachable = portcheck::isportreachable("192.0.2.0:8080");

```