2.1.0

• Fix loading sessions with special keys
• deps: cookies@0.9.1
  • Add partitioned option for CHIPS support
  • Add priority option for Priority cookie support
  • Fix accidental cookie name/value truncation when given invalid chars
  • Fix maxAge option to reject invalid values
  • Remove quotes from returned quoted cookie value
  • Use req.socket over deprecated req.connection
  • pref: small lookup regexp optimization