0.19.0

Release notes

Enhancements

• Added configurable heartbeat_interval parameter for live clients that determines the
  timeout before heartbeat SystemMsg records will be sent. It can be configured via
  the SetHeartbeatInterval method of the LiveBuilder
• Added SetAddress method to LiveBuilder for configuring a custom gateway address
  without using the constructor directly
• Added new UncrossingPrice StatType variant
• Added new publisher values for XNAS.BASIC
• Added SetDataset(Dataset) overload to LiveBuilder
• Added new off-market publisher values for IFEU.IMPACT and NDEX.IMPACT

Breaking changes

• Added heartbeat_interval parameter to the Live constructors
• Removed start_date and end_date fields from DatasetRange struct
  in favor of start and end
• Removed live Subscribe method overloads with use_snapshot
  parameter in favor of separate SubscribeWithSnapshot method

Bug fixes

• Fixed overloading of live Subscribe methods
• Fixed live subscribing with default-constructed UnixNanos
• Fixed descriptions for FINN and FINY publishers.