I second this request.
Being able to connect to a name rather than a set of numbers would be a lot more convenient. Especially if/when ip6 is used.
There's no reason not to support it that I can think of. The functionality is already there. Requiring an ip address is simply a restriction Trevor decided to enforce.
If you modify the file to put a name in, the field will support it and connect successfully You just just can't type one in yourself and there are size limits.