sudo apt install wget git-core

Upgrading The Pi:

sudo apt --allow-releaseinfo-change update
sudo apt upgrade

Installing WiringPi:

wget https://project-downloads.drogon.net/wiringpi-latest.deb
sudo dpkg -i wiringpi-latest.deb

Installing LightShowPi:

git clone https://togiles@bitbucket.org/togiles/lightshowpi.git
cd lightshowpi
git fetch
git checkout python3
sudo ./install.sh

Reboot The Pi:

sudo reboot

An Easy Way To Test And See If Things Are Working:

cd lightshowpi
sudo python py/hardware_controller.py --state=on
sudo python py/hardware_controller.py --state=off
sudo python py/hardware_controller.py --state=flash