hfig

Merged an amended version - [PR38](https://github.com/hfig/MAPI/pull/38)

hmm. If you never sent the email via SMTP, Outlook might have done something like save it as RTF not HTML. This library doesn't handle converting RTF (with one exception:...

I wouldn't rely on a file extension-to-mime type map to determine if the file is valid. If you see a .msg file in the wild, it's usually given ``application/vnd.ms-outlook``. But...

That was the release version when the library was first authored. It's not used by me in a Symfony app, so the library version dependency is kind of irrelevant. But...

I don't oppose this generally. However, the change in version requirements for ``ramsey/uuid`` raises the minimum PHP version from 7.1 to 7.2. Was there a reason why you changed this?...

This PR will raise the project required PHP version to 8.0 (introduces the return pseudotype ``mixed``) I **can** merge a PR that adds a return typed for everything except ``offsetGet()``...