[gjs: 3/3] Merge branch '262-fix-error-signals' into 'master'

[Philip Chimento <pchimento src gnome org>]

commit 62d8d685b6379602bddf53993214dc51cae22c6c
Merge: 6cf32e08 718dd8c1
Author: Philip Chimento <philip chimento gmail com>
Date:   Mon Aug 5 00:00:22 2019 +0000

    Merge branch '262-fix-error-signals' into 'master'
    
    Resolve "Regression in GstPbutils.Discoverer::discovered callback"
    
    Closes #262
    
    See merge request GNOME/gjs!318

 gi/value.cpp                              |  7 +++++++
 installed-tests/js/testEverythingBasic.js | 27 ++++++++++++++++++++++++++-
 2 files changed, 33 insertions(+), 1 deletion(-)
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