This is especially important for read(), which will assign many times while, in many cases, causing few actual changes. A store() that follows soon after will now be much more lightweight.
--HG--
extra : convert_revision : svn%3A41726ec3-264d-0410-9c23-a9f1637257cc/trunk%4079
Also, new organization for tests and automatic loader. Fixed bugs uncovered by new tests.
--HG--
extra : convert_revision : svn%3A41726ec3-264d-0410-9c23-a9f1637257cc/trunk%4069