v0.3.0

Uses disposer for transaction creation; restart implicit streamlined.

v0.2.5

Cleans up after releasing implicit w/ no supervening transaction'

v0.2.4

Implicit transactions started after completion of non-wrapping top-level

v0.2.2

• properly chains promise in Request.handle
• returns null rather than fails when asked for client and no transaction in Request
• cleanup disconnect

v0.2.0

First adapter test (somewhat) working.

v0.0.2

initial release with stub tests working; postgres version in the works