Tests if object is a neuronlist.
is.neuronlist(x)the object to test
A logical indicating whether the object is a neuronlist.
is.neuronlist uses a relaxed definition to cope with older
lists of neurons that do not have a class attribute of neuronlist.
Other neuronlist:
*.neuronlist(),
neuronlist-dataframe-methods,
neuronlistfh(),
neuronlistz(),
neuronlist(),
nlapply(),
read.neurons(),
write.neurons()