Fixed PHP 5.4 E_STRICT errors with current()
Merge pull request #3721 from woothemes/php-strict-errors

E_STRICT in php5.4 for reference types.
Typecast to prevent errors. Fixes #3654
Readme bump date for 2.0.14
Set/get for abstract session class
Remove 'MyException'
Merge remote-tracking branch 'woo/release-2-0-14' into release-2-0-14-tivnet

Conflicts:
	classes/abstracts/abstract-wc-session.php