getString.Sequence: Get the string representation of a Sequence object
Description
Get the string representation of a Sequence object.
The string representation is the concatenation of the states of the
aggregated Site object. Undefined states (NA-s) are represented by question marks.
# NOT RUN {# create object s<-Sequence(length=10)
# get character representation getString(s) # a bunch of '?'-s# get string reperesentation via virtual field s$string
# }