Changelog of @hackage/posix-acl 0.2.0.0

Version 0.2.0.0 (2014-11-25)

API change: getDefaultACL now returns IO (Maybe ACL), with Nothing indicating the absence of default ACL.
Rewrite bindings to the Posix C API using monad transformers, and expose them in System.Posix.ACL.C.
The read parser for ACL is more flexible in parsing valid ACLs, but does not parse ACLs with repeated user or group ids anymore.
The Show instance of ACL now prints the short text form instead of the long text form.
Enable Safe Haskell extension.
Relicense under BSD3.
Code and documentation improvements.