function X=cfoldl(fn,e,args)
% cfoldl - Fold fom the left combinator for cell arrays
%
% foldl :: (X,Y->X), X, cells(Y) -> X.
%
% This function applies a folding function to cell array,
% starting from the left using the given starting element.
% eg cfoldl(@plus,0,{1,2,3,4}) = ((((0+1)+2)+3)+4).
X=e; for i=1:length(args), X=fn(X,args{i}); end
