[
    {
        "description": "support for bignums",
        "schema": {"type": "integer"},
        "tests": [
            {
                "description": "a bignum is an integer",
                "data": 12345678910111213141516171819202122232425262728293031,
                "valid": true
            }
        ]
    }
]

Add a test for BigNum integers.
Add a test for BigNum integers.

Closes #12
