Description of Spout library import 2.7.3
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* Download / Clone from https://github.com/box/spout/
* Only include the src/Spout directory.
* Update lib/thirdpartylibs.xml with the latest version.

2017/10/10
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Updated to v2.7.3 (MDL-60288)
by Ankit Agarwal <ankit.agrr@gmail.com>

2016/09/20
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Updated to v2.6.0 (MDL-56012)
by Adrian Greeve <adrian@moodle.com>