plug composer self-update to avoid error
plug composer self-update to avoid error

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