0.5.2

• Added Process
• Added runSequential, sequential for operational monad

0.5.1

• Added PushPull functor
• Removed sequential

0.5

• Lift has gone
• Use elevator instead of Lift
• Moved Request to a separate module

0.4

• Added Request functor along with Lift
• Supported "extensible" objects using open unions
• AccessT is now obsolete