lxc-0.2: CHANGELOG.md

0.2
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* LXC errors through `getLastError` function
* `getDaemonize` function
* `start` function fixed (and changed type)
* `Show` instance for `BDevSpecs`
* updated documentation (haddock and README)

0.1.1
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* fixed package (`bindings-lxc` dependency)
* exposed `System.LXC.Internal.AttachOptions` module