I’ve just uploaded the new version v1.9 to Bitbucket. It fixes, inter alia, the incompatibility with the new LuaTeX version 0.95, which is now included in TeXLive 2016. The following excerpt from the README briefly describes the new version:
Changes in v1.9:
* compatibility fix for luatex v0.85+
* Bugfix: restore some option defaults to guarantee correct
download URLs after changing mode in \getmap
The new version v1.9 should be available soon on CTAN and a few days later in the package managers of the distributions.