v0.3c1

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branch : stable
extra : amend_source : c0d7dd9252e558797303252a370ea46381b4033c
v0.3

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branch : stable
Added tag v0.3 for changeset 44f9db0d1b1d

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branch : stable
Updates CHANGES from stable branch
Backing out a887aac90d43 as Django definitely does not allow custom Meta attrs

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branch : bugfix
Merge use_strong_refs bugfix
Reorganises tests package
Fixes where clause issue depending on Django version

Was only working with 1.6 / python 2 before, now it works with 1.4, 1.5 and 1.7
and python 3.
We now look for the pk in the instance cache after hitting the database

This enables object retrieved from 2 different ways (e.g direct and related) to
share the same instance in memory.
Renames tests/README