provide docblocks and fix method visibility
provide docblocks and fix method visibility

pierredup/gush,cordoval/gush,mickaelandrieu/gush,gushphp/gush,gushphp/gush,cordoval/gush,cordoval/gush,webflo/gush,webflo/gush,sstok/gush,gushphp/gush,pierredup/gush,gushphp/gush,sstok/gush,mickaelandrieu/gush,pierredup/gush,webflo/gush,sstok/gush