Floating Point Number problem in CurlClient

[fabianuhlenbrock]

When converting into JSON, some numbers become too long and the Shippo API sends a validation message back:

Affected Line:

shippo-php-client/lib/Shippo/CurlClient.php

Line 30 in d0c4448

$curlOptions[CURLOPT_POSTFIELDS] = json_encode($params);