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  Version 20190707 (2019-07-07)
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  * Added Pearl 6 deps

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  Version 20190127 (2019-01-27)
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  * Reverted it to meta package

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  Version 4.20181227 (2018-12-27)
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  * Added Pearl core repos
  * Remioved Pearl testing repos

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  Version 4~20171217 (2017-12-17)
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  * Removed pearl's dde repository

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  Version 4~20170803 (2017-08-03)
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  * Added dde repo's config

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  Version 4~20170407 (2017-04-07)
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  * Changed protocol http to https of Pearl repos.

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  Version 4~20170319 (2017-03-19)
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  * Initial release
