Fixes #339 - Only use serialisation trick if necessary
Initialise to that of the target
Add some test cases

Not even sure how valid they are, but should act as a smoke test
Merge branch 'master' of github.com:padraic/mockery into php-5.5.13

Conflicts:
	tests/Mockery/ContainerTest.php
Handle internal classes that implement Serializable
Merge pull request #340 from davedevelopment/php-5.5.13

Php 5.5.13