Version 0.8.6:
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* Fixing the bug of initial points to the recognizable to be added after_create not after_save

Version 0.8.5:
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* Refactoring: Merging Railtie with Rails Engine.

Version 0.8.4:
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* Fixing a bug with reusable vouchers being redeemable by the same user multiple times.

Version 0.8.3:
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* .redeem() now returns false if redemption failed.

Version 0.8.2:
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* Minor fix in redeemable validators.

Version 0.8.1:
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* Minor fix in gift error message.

Version 0.8.0:
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* Appending errors to voucher and gift if they can't be redeemed.

Version 0.7.0:
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* Now we have a working logger.

Version 0.6.0:
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* Adding an optional debug parameter to initializer, defaults to false.

Version 0.5.0:
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* Adding gifts.

Version 0.4.0:
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* Major refactoring.

Version 0.3.8:
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* acts_as_voucher now may declare a voucher :prefix and :suffix.

Version 0.3.7:
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* Added voucher validators.

Version 0.3.6:
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* Added voucher generator.

Version 0.3.5:
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* Documentation.

Version 0.3.4:
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* Adding expiration date to vouchers.
* Adding documentation for vouchers.
* Updateing installation documentation.

Version 0.3.3:
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* Fixing Travis builds.

Version 0.3.2:
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* Refactoring.

Version 0.3.1:
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* Fixing a bug with RakeFile in previous release.

Version 0.3.0:
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* Adding .transactions to `acts_as_recognizable` models.
* Adding vouchers.
* Adding rdoc documentation.

Version 0.2.0:
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Exposing an update_points method to models with acts_as_recognizable.

Version 0.1.2:
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Pumping version number to force re-downloading.

Version 0.1.1:
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Fixing a bug with recognition not using a redis configuration file.

Version 0.1.0:
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First working release.
Adding points through ActiveRecord models or ActionController controllers.
Allowing dynamic calculation of amounts, losses and gains per action.