Version support for datastore/Progress

Time line

For reference, I've copied the timeline from the proposal.

2009-04-03

Application deadline

2009-04-12

Easter (sunday); UI mockup submitted for review by Design Team

2009-04-20

start of (university) term; announcement of accepted GSoC proposals

2009-05-10

submitted API draft for review by Development Team

2009-05-16

SugarCamp Europe 2009

2009-05-23

start of GSoC

2009-05-31

current code examined and understood; API, on-disk format and UI design chosen

2009-06-07

data store enhanced to be able to deal with versions (basic API)

2009-06-14

added (working) prev/next buttons to Journal details view

2009-06-21

added support for importing from existing data store

2009-06-28

added unit tests (and potentially regression tests), fixed all known bugs, submitted for review by Design Team

2009-07-06

GSoC midterm evaluation ("working and 90% done"); added indexing (e.g. using sqlite)

2009-07-13

code integrated upstream for increased exposure (testing!); started discussion on extended UI design (version tree etc.)

2009-07-25

end of (university) term

2009-08-10

end of GSoC

2009-10-31

Fedora 12 release; Sugar 0.86 release short time later?