Added SubscribeToPremiumIndexUpdatesAsync subscription

Fixed subscription not getting closed when CoinExSpotSymbolOrderBook start fails

Updated CryptoExchange.Net to version 11.1.0, see https://github.com/JKorf/CryptoExchange.Net/releases/ for full release notes
Fixed concurrency issue in REST ratelimiting

Fix issue in credentials copying

Updated CryptoExchange.Net to version 11.0.1, see https://github.com/JKorf/CryptoExchange.Net/releases/ for full release notes
Updated class for supplying API credentials from ApiCredentials to CoinExCredentials
Updated Shared order status parsing to default to Unknown value if not parsable

Updated CryptoExchange.Net to version 10.8.0, see https://github.com/JKorf/CryptoExchange.Net/releases/ for full release notes
Improved method XML comments

Updated CryptoExchange.Net to version 10.7.0
Added additional Http settings to client options
Added startTime, endTime parameters to restClient.FuturesApi.ExchangeData.GetKlinesAsync endpoint
Added startTime, endTime parameters to restClient.SpotApi.ExchangeData.GetKlinesAsync endpoint
Updated Shared REST interfaces pagination logic
Updated HttpClient registration, fixing issue of DNS changes not getting processed
Fixed UserClientProvider using unconfigured HttpClient

Updated CryptoExchange.Net to version 10.6.0, see https://github.com/JKorf/CryptoExchange.Net/releases/ for full release notes
Fixed SymbolOrderBook websocket subscription not getting closed if when waiting for initial data times out

Updated CryptoExchange.Net to version 10.5.1, see https://github.com/JKorf/CryptoExchange.Net/releases/ for full release notes
Fixed tickers websocket subscription incorrect mapping
Fixed futures tickers websocket subscription incorrect mapping
Updated UserClientProvider internal client cache to non-static to prevent cleanup issues

Updated CryptoExchange.Net to version 10.4.0, see https://github.com/JKorf/CryptoExchange.Net/releases/ for full release notes
Added CoinExUserSpotDataTracker and CoinExUserFuturesDataTracker
Added additional methods for requesting supported symbols to Shared ISpotSymbolRestClient/IFuturesSymbolRestClient interfaces
Added PositionMode mapping on SharedPosition models
Added Status mapping for SharedDeposit models
Fixed disposed clients getting returned from UserClientProvider