[gjs: 2/2] Merge branch '11-handle-0-valued-gtype-gracefully' into 'master'

[Cosimo Cecchi <cosimoc src gnome org>]

commit 0e853d1c50a9e39dd5398f624ec6ff52257c4d52
Merge: 4b5b7b8 fd6632f
Author: Cosimo Cecchi <cosimo cecchi gmail com>
Date:   Tue Jan 16 23:50:24 2018 +0000

    Merge branch '11-handle-0-valued-gtype-gracefully' into 'master'
    
    Resolve "Handle 0-valued GType gracefully"
    
    Closes #11
    
    See merge request GNOME/gjs!10

 gi/arg.cpp                           | 17 ++++++++++++-----
 gi/gtype.cpp                         |  3 +++
 installed-tests/js/testGTypeClass.js |  7 +++++++
 3 files changed, 22 insertions(+), 5 deletions(-)
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