3.2.0

• Fixes:
  • rest transaction history method: order_by parameter
  • websocket transactions method: order_by parameter
• Changes:
  • rest transaction history method: add attribute group_transactions
  • websocket transactions method: add attribute group_transactions
  • add support to change parameter window in rest client
  • add support to change parameter credentials in rest client
  • add support for endpoint GET /wallet/crypto/fee/estimate
  • add support for endpoint POST /wallet/crypto/fee/estimate/bulk