v2.5.0

• @JamiePrentice added missing properties in balance-sheet, cash-flow, company, earnings, financials, fund-ownership, historical-prices, insider-summary, insider-transactions, institutional-ownership, key-stats, splits-basic (#87). He also added support for advanced-fundamentals (#88)
• JSONConverter for non-nullable decimal was added. DividendBasicResponse.date was changed to long.