1.0.15

• Added new APIs

POST /v1/account/transfer	
POST /v2/sub-user/creation	
POST /v2/sub-user/transferability	
POST /v2/sub-user/tradable-market	
POST /v2/sub-user/api-key-generation,
GET /v2/user/api-key,
POST /v2/sub-user/api-key-modification,
POST /v2/sub-user/api-key-deletion
GET /v2/sub-user/user-list,
GET /v2/sub-user/user-state,
GET /v2/sub-user/account-list
GET /v2/account/withdraw/address

• Updated APIs

GET /v2/reference/transact-fee-rate,
GET /v1/order/orders/{order-id}/matchresults,
GET /v1/order/matchresults,
trade.clearing#${symbol},
GET /v1/account/history,
accounts, accounts.update#${mode}
orders#${symbol}	
GET /v1/query/deposit-withdraw

• Fixed defects

/v1/margin/accounts/balance
/v1/cross-margin/accounts/balance