v6.6.0

6.6.0 (09 Jan 2018)

Enhancements

• Session tracking update:
  • Refactor of session tracking to adhere to a common interface, and simplify usage.
  • Includes several performance enhancements.
  • Reverts potentially breaking change of json body sanitation within delivery function.
    | #412
  • Maintains backwards compatibility with previous session-tracking changes.
    | #413