Append an item to a processing log
processingLogAppend(h, value = "")either the processingLog slot of an object, or
an oce object from which the processingLog will be extracted
A string indicating the text of the log entry.
An list() containing items named
time and value, i.e. the times of entries
and the text notations of those entries..
Other things related to processing logs:
processingLog<-(),
processingLogItem(),
processingLogShow()