Quarteria's NEO Token Sale Smart Contract for NEP-5 XQT Token Distribution

• ico_quarteria.py is the smart contract entry point

• token.py is the Basic settings for an NEP5 Token and crowdsale

• neo5.py is the Basic settings for generalized interaction of the tokens

• user_service.py defines the user operations for listing (register user, update, get info, get properties, delete)

• property_service.py defines the property operations for listing (register property, update, get info, get owner, set owner, add to a user's properties array, delete)

• serialization.py util functions to bytearray-array and array-bytearray conversion

• common.py util functions (add item to array, remove item from array, concat key, get last block time, get token rate for crowdsale tiers)

• txio.py Gets information about NEO and Gas attached to an invocation TX