Spec fixes chp 6,7,8,9,10 (#26)

diff --git a/specification/OOO/Ch06-PersistentObjectModel.odt b/specification/OOO/Ch06-PersistentObjectModel.odt
index e480296..32a75ac 100644
--- a/specification/OOO/Ch06-PersistentObjectModel.odt
+++ b/specification/OOO/Ch06-PersistentObjectModel.odt
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diff --git a/specification/OOO/Ch07-PersistenceCapable.odt b/specification/OOO/Ch07-PersistenceCapable.odt
index 9b427b7..fb74229 100644
--- a/specification/OOO/Ch07-PersistenceCapable.odt
+++ b/specification/OOO/Ch07-PersistenceCapable.odt
Binary files differ
diff --git a/specification/OOO/Ch08-JDOHelper.odt b/specification/OOO/Ch08-JDOHelper.odt
index c51507a..9800b33 100644
--- a/specification/OOO/Ch08-JDOHelper.odt
+++ b/specification/OOO/Ch08-JDOHelper.odt
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diff --git a/specification/OOO/Ch09-JDOImplHelper.odt b/specification/OOO/Ch09-JDOImplHelper.odt
index 75da318..e79a508 100644
--- a/specification/OOO/Ch09-JDOImplHelper.odt
+++ b/specification/OOO/Ch09-JDOImplHelper.odt
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diff --git a/specification/OOO/Ch10-InstanceCallbacks.odt b/specification/OOO/Ch10-InstanceCallbacks.odt
index c84eb4e..b54954d 100644
--- a/specification/OOO/Ch10-InstanceCallbacks.odt
+++ b/specification/OOO/Ch10-InstanceCallbacks.odt
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