Code example for Rule function seems to be incorrect

[ghost]

Hi,

May I checked if schema.error is correct? It appears to be undefined and when I checked lib/schema.js I see schema.ValidationError exposed but not schema.error

var schema = require('async-validate');
var ValidationError = schema.error;
var descriptor = {
.....

[tmpfs]

My bad this changed in 0.2.x I'll check the readme again, thanks.

[ghost]

I can do a PR for it if you want

[tmpfs]

PR welcome, thanks.