implemented cell flattening and fixxed some type

Resolves #99 (closed)

+PlotID/@dataPath/dataPath.m

@@ -14,11 +14,19 @@ classdef dataPath < handle
             %DATAPATH Construct an instance of this class
             %   start with argument validation
             obj.ID = ID;
+            
             %catch non cell inputs in inputPaths 
             if ~iscell(inputPaths)
                   inputPaths = {inputPaths}; %Cell array
             end
             
+
+
+            % handle nested cell arrays
+            while any(cellfun(@iscell,inputPaths))
+                inputPaths = [inputPaths{cellfun(@iscell,inputPaths)} inputPaths(~cellfun(@iscell,inputPaths))]
+            end
+
             isStruct = false([1,numel(inputPaths)]);
             % strings will cause problems, therefore chars are used 
             for i=1:numel(inputPaths)