Allow multiple exceptions to be thrown in one call

* Function andThrowExceptions(array $exceptions)
  added to Expectation.php.

* Tests that exceptions are thrown in correct order,
  that the correct number of exceptions are thrown,
  and that an exception is thrown if a non-object
  is passed as an array element to the method.
Merge branch 'master' of github.com:Decave/mockery into Decave-master
Coding standards
Clearer tests
Add not to CHANGELOG
Merge pull request #326 from davedevelopment/Decave-master

Allow multiple exceptions to be thrown in one call with andThrowExceptions (array $exceptions)