Added the possibility to get the name of the i-th variable in a dynSeries object.

The following syntax

A.name{i}

where A is a dynSeries object, returns the name of the i-th variable in A.

matlab/@dynSeries/subsref.m

@@ -136,6 +136,11 @@ if (length(S)==2) && isequal(S(1).subs,'set_names') && isequal(S(1).type,'.') &&
     return
 end
 
+if (length(S)==2) && isequal(S(1).subs,'name') && isequal(S(1).type,'.') && isequal(S(2).type,'{}')
+    us = ts.name{S(2).subs{1}};
+    return
+end
+
 
 
 %@test:1