[dev] Do not regenerate the Result when picking if it already present
[dev] Include the msExchVersion attribute when retrieving mailbox stores via MailboxStoreSelector
[dev] Install rhumsaa/uuid for generating UUID v4 guids ( AD-compliant, of course )
[new] Ditch the internal autoloader in favour of Composer
[dev] Fix the license information in the README ( how could I have forgotten? )
[new] Attribute can now be subclassed with a class defined under ADX\Attributes namespace named after any of the Active Directory attributes to provide additional attribute-level functionality