tag 6038880201b9ef68c70c60813cc3b80332b0bcf9 1.15-release
Author:	Hendrik Leppkes <h.leppkes@gmail.com>
Date:	Sat Nov 19 11:47:34 2016 +0100

Tag as 1.15-release

commit 6cdfe460c5df6d100b0919b5173f085fa53dfd07
Author: Hendrik Leppkes <h.leppkes@gmail.com>
Date:   Sat Nov 19 11:44:11 2016 +0100

    Add sanity checks to API entry points, avoid blowing up with nil input
    
    Fixes ticket #8

commit 06128ac61e1cea4b4303afafd256ee382faa80ae
Author: Hendrik Leppkes <h.leppkes@gmail.com>
Date:   Wed Oct 26 14:51:25 2016 +0200

    Keep returning the instance ID even when no position is available.
    
    This matches behavior of UnitPosition.

