Mon, 20 Feb 2017 12:42:35 +0100 Pierre-Yves David color: drop the 'colorui' class
Mon, 20 Feb 2017 12:42:23 +0100 Pierre-Yves David color: move 'write-err' logic to the core ui class
Fri, 24 Feb 2017 19:53:41 +0100 Pierre-Yves David ui: extract low level part of 'write_err' in its own method
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