[Converter]: number in example is not populated

[thmue]

Thank you for this great library, it looks very promising.

While i was trying out the converter with the book example (https://clickin.github.io/stax-xml/converter/getting-started/#quick-example) i observed that the number fields are not populated:

{
    "title": "The Great Gatsby",
    "author": "F. Scott Fitzgerald",
    "year": "",
    "price": ""
}

expected:

{
    "title": "The Great Gatsby",
    "author": "F. Scott Fitzgerald",
    "year": 1925,
    "price": 10.99
}

if i change the fields to x.string the fields are populated as strings.

[Clickin]

Which version did you used to generate this error?
number parsing error issue was resolved at commit a108a4b, version 0.5.2(latest)
I cannot reproduce error at latest version