Wrong behavior if min value is set

[em286]

A have a spinnerred textbox:
$('#txtbox').spinner({'min' : 5});

When I mousedown the 'down' arrow for a second I have the value of the textbox set to 0, which is wrong. It seems to me that I fixed this by changing '_spin' function like that:

_spin: function(dir, large) {
        // shortcuts
        var self = this,
            increment = self.options.increment,
            curIncrement = increment[self.incCounter];

        self._change(); // <<<<<<<<THIS WAS ADDED BY ME
        self._doSpin(dir * curIncrement.mult * (large ? self.options.largeStep : self.options.step));
        self.counter++;

        if ((self.counter > curIncrement.count) && (self.incCounter < increment.length-1)) {
            self.counter = 0;
            curIncrement = increment[++self.incCounter];
            self._setTimer(curIncrement.delay, dir, large);
        }
    },

[dannya]

I confirm that this works and fixes the issue, suggest merging it into master.