Abhoryo/APYDataGridBundle — pull request #549 by cyrilbarragan (2014-05-19 10:54:05+00:00)
Title: Add hasColumn method to Grid in order to check if a column exists in bot...

...h 'columns' and 'lazyAddColumn' properties before processLazyParameters is called

Because i need to check if a virtual column exists before getGridResponse is called.