bindings-lxc-0.2.2: CHANGELOG.md

0.2.2
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- Update travis configuration (see [#3](https://github.com/fizruk/bindings-lxc/pull/3));
- Remove superfluous CBool definition (see [#4](https://github.com/fizruk/bindings-lxc/pull/4));

0.2.1
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* Relax upper bound for `base`

0.2.0.1
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* Improve documentation

0.2
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* Fix types in `Bindings.LXC.Container`