Principia transaction machinery.

and are therefore locked.

called with no arguments, then aq_self is passed.

called with no arguments, then aq_self is passed.

getitem.

especially method acquisition.

server errors.

their documentation.

Note that I decided not to document sequence-step-start,
sequence-step-end, sequence-step-orphan, and sequence-step-overlap.
These will probably be depricated.

initial request that creates a new bobobase.