[dev] Do not enforce proxyAddresses to be present in User::mail_disable()
[new] Use the predefined User::$defaultAttributeSet to load attributes from directory to satisfy all requirements of the User class' methods
[new] The CN and OU attributes are now returned for all lookup operations by default
[fix] Do not throw on non-erroneous, non-zero ldap responses
[dev] Suppress native php errors on ldap_modify ( errors are handled via Exceptions )
[new] You can now move objects across containers in a domain using Object::move()

Closes #2