Fixed bug that didn't update an edge if only its edge-order was changed
implemented versioning, read only graph
removed redundant code
added simple test for version functions
code tidy up
more code cleanup
Fixed equals method for TId. Fixed transaction query bugs.
Merge branch 'sc-dsc306-versions' of github.com:nla/amberdb
Merge branch 'master' of github.com:nla/amberdb
more versioning development
mucking about with tests
recovered from idiot induced git disaster
made transaction query faster
Merge branch 'master' of github.com:nla/amberdb into sc-dsc306-recover
testing - visual only
find works that have changed
Merge branch 'master' of github.com:nla/amberdb into sc-dsc306-recover
reindexing continues
Merge branch 'master' of github.com:nla/amberdb into sc-dsc306-recover
code formatting fix