Bump version to 0.1.0

Fix edoc

* Store locales in 'priv' instead of app root

* Fix get_stacktrace() compatibility warning

* Hex.pm compatibility

* Bugfix: properly handle textdomain from process dictionary

Fixed bugs

* Error in ensure_loaded fixed

* Docs update

First working version

* GNU gettext ± compatible API
* Plural forms (including plural rule evaluator)
* Some extra APIs
* .mo files parser
* Fast implementation (protected ETS table with read_concurrency)