[Nightly] Update v0.8.4303a — Grey Hack Steam update #17195

Changelog - Added two new Coin and Subwallet scripting objects. - Now the creator of a coin must create and manage the accounts associated with the coin (subwallets) - Now it is necessary to register in a currency to be able to sell, buy or mine it. - Removed starter money when registering a bank account. - Implemented coupons when starting a new game that can be exchanged for hackshop programs and exploits. - Mining affects general hardware usage and degradation in a similar way to decipher. - Moved blockchain.mining to wallet.mining - coin_miner removed from the store and added to the wallet program as a new menu option. - Moved blockchain.show_nodes to wallet.show_nodes - Added blockchain.get_coin methods to manage the details of a coin, only accessible by the creator. - Added blockchain.delete_coin method to remove a currency from the world. - Added wallet.get_pin method. The PIN mus...