Added documentation for the @VirtualProperty annotation.
Merge pull request #67 from pylebecq/master

Added documentation for the @VirtualProperty annotation
Made the @Type annotation allowed on methods.
Added a test case for typed virtual properties.
adds changelog entry
updates vendors
updates version
Improve serialization example
Merge pull request #71 from tvlooy/patch-1

Improve serialization example
Add the PRE_DESERIALIZE event to the Events class
Merge pull request #73 from adrienbrault/patch-1

Add the PRE_DESERIALIZE event to the Events class
Remove useless YamlSerializationVisitor::prepare method
Merge pull request #75 from adrienbrault/remove-useless-code

Remove useless YamlSerializationVisitor::prepare method
Merge remote branch 'upstream/master' into xml-namespaces