message: Updated "construct JSON to return"
  Changed maximum zerocoins per spend in the RPC_WALLET_ERROR to 20
diff: @@ -744,8 +744,8 @@ UniValue spendzerocoinmints(const JSONRPCRequest& request)
  UniValue arrMints = params[0].get_array();
  if (arrMints.size() == 0)
  throw JSONRPCError(RPC_WALLET_ERROR, "No zerocoin selected");
  - if (arrMints.size() > 7)
  - throw JSONRPCError(RPC_WALLET_ERROR, "Too many mints included. Maximum zerocoins per spend: 7");
  + if (arrMints.size() > Params().Zerocoin_MaxSpendsPerTransaction())
  + throw JSONRPCError(RPC_WALLET_ERROR, strprintf("Too many mints included. Maximum zerocoins per spend: %d", Params().Zerocoin_MaxSpendsPerTransaction());
  CAmount nAmount(0); // Spending amount
  