Installation script: Add support for patch versions.
Installation script: Add support for patch versions.

jordonbiondo/node-libxl,aledbf/node-libxl,aledbf/node-libxl,jordonbiondo/node-libxl,trifacta/node-libxl,DirtyHairy/node-libxl,jordonbiondo/node-libxl,DirtyHairy/node-libxl,jordonbiondo/node-libxl,aledbf/node-libxl,DirtyHairy/node-libxl,aledbf/node-libxl,DirtyHairy/node-libxl,trifacta/node-libxl,trifacta/node-libxl,trifacta/node-libxl