I also lost a lot of coins, I think a lot more than you. But in any case the developer can not return the coins, because the faithful one a chain of blocks, and the infidels chains were mined coins think even more than they do exist. The best option right now to join the faithful believe the chain blocks by downloading a new wallet. Which I did, and moved to a new wallet coins from bittrex. Coins come to the wallet and began to produce new coins. So far, the weight of network small, but when all wallets will update, weight quickly grow.