Cost: 2 x 500 hours х 1.5 ETH + 2 x 200 hours х 1.5 ETH
Authors: David Liberman and Daniil Liberman (https://github.com/libermans)
Wallet: 0xE277283d893f3730c2bAbB94530e58c842186CEd
Date: November 18, 2017
Descriprion: First commit [2016 - 2017]. Description of the license