@param search
Values to search for (case insensitive)
@return True iff the value is contained in the field value entirely or as
an element of a quoted comma separated list. List element
parameters (eg qualities) are ignored, except if they are q=0, in
which case the item itself is ignored.
Look for a value in a possible multi valued field
@param search Values to search for (case insensitive) @return True iff the value is contained in the field value entirely or as an element of a quoted comma separated list. List element parameters (eg qualities) are ignored, except if they are q=0, in which case the item itself is ignored.