Make the DataTypeError thrown when dealing with types make more sense

[bytesnz]

The DataTypeError thrown when the data is found not to match any of the allowed types doesn't make any sense. Given the test file

var skemer = require('skemer');

var schema = {
  types: {
    array: {
      type: 'string',
      multiple: true
    },
    object: {
      types: {
        array: {
          type: 'string',
          multiple: true
        }
      },
      multiple: true,
      object: true
    }
  }
};

console.log(skemer.validateNew({ schema: schema }, [ 'test', 'test1' ]));

console.log(skemer.validateNew({ schema: schema }, {
  'test': ['test', 'test2'],
  'test2': ['test', 'test3']
}));

try {
console.log(skemer.validateNew({ schema: schema }, {
  'test': ['test', 'test2'],
  'test2': 'dsfds'
}));
} catch(err) {
  console.log(err);
}

try {
console.log(skemer.validateNew({ schema: schema }, {
  'test': ['test', 'test2'],
  'test2': ['test', 42]
}));
} catch(err) {
  console.log(err);
}

the output is

[ 'test', 'test1' ]
{ test: [ 'test', 'test2' ], test2: [ 'test', 'test3' ] }
{ [DataTypeError: object value is not allowed for test2]
  name: 'DataTypeError',
  message: 'object value is not allowed for test2',
  extra: 
   { schema: { types: [Object] },
     baseSchema: { types: [Object] },
     newData: { test: [Object], test2: 'dsfds' },
     data: undefined } }
{ [DataTypeError: object value is not allowed for test2]
  name: 'DataTypeError',
  message: 'object value is not allowed for test2',
  extra: 
   { schema: { types: [Object] },
     baseSchema: { types: [Object] },
     newData: { test: [Object], test2: [Object] },
     data: undefined } }

The error message should something like the value given for ____ does not match any of the specified types and should include as extra data the errors that were thrown by each type failure.