eczarny/xmlrpc — pull request #20 by koke (2012-04-26 09:15:10+00:00)
Title: Ignore invalid/null dates

When using invalid dates such as '00000000T00:00:00Z', the result of parseDate: is nil.
Instead of not storing a NULL value in the result, an empty string is stored

Sample XML:
```

dateCreated00000000T00:00:00Z
userid5

```

Before the patch:

```
(
{
dateCreated = "";
userid = 5;
}
)
```

After the patch:
```
(
{
userid = 5;
}
)
```