0.6.4

Added

• Implement From<trade::DealId> and From<swap::SwapId> for Uuid by @h4sh3d (#323)

Changed

• Don't persist master secret key in KeyManager and derive account level keys on initialization by @TheCharlatan (#322)
• Rename DoubleKeys into SwapRoleKeys by @h4sh3d (#324)
• Improve documentation for protocol functions by @h4sh3d (#326)

Removed

• Stand alone reveal proof message is removed and part of Alice and Bob reveal parameters by @h4sh3d (#325)