It can even execute actions if a function handle is passed

Signed-off-by: Nicola Vigano <nicola.vigano@esrf.fr>

Conflicts:

	zUtil_EDF/edf_wait_read.m

git-svn-id: https://svn.code.sf.net/p/dct/code/trunk@493 4c865b51-4357-4376-afb4-474e03ccb993