Merge pull request #13 from lou-perret/main

Fix deprecations on PHP 8.1

Adds support for base64 transforms

Move $hugeFile to BaseInputResourceInfo

Allow DigestMethod and DigestValue to emit the xad prefix

Adds support for signing a specific node identified by id

Adds support for files with large text nodes (>10MB)

Allow 'xa' prefix to be on in a document if its defined.

New class for DGFiP

Now adds the correct names to the IssuerSerialV2 class

Throw error when timestamp save fails