function  varargout=wfdbdownload(varargin)

 [success,files_saved]=wfdbdownload(recordName)

 Downloads a WFDB record with recordName 
 and associated files from PhysioNet server and store is on the WFB Toolbox
 cache directory.

 The toolbox cache directory is determined by the foolowing toolbox
 configuation parameters obtained by running:
  
  [~,config]=wfdbloadlib;
  
  config.CACHE     -Boolean. If true this wfdbdownlaod will attempt to
                   download record

  config.CACHE_DEST -Destion of the cached files on the user's system.
                     It shoudl be safe to delete the cached files, they
                     can be re-obtained when CACHE==1.
 
  config.CACHE_SOURCE -Source of the cached files (default is PhysioNet's 
                       server at physionet.org/physiobank/database/


 Optional output parameters:

 success 
       Integer. If 0, could not download files, if -1, file already
       exists of CACHE==0. If success>0, an integer representing the number of files
       downloaded.

 files_saved
       A cell array of string specifying the saved files full path.


   Written by Ikaro Silva, April 6, 2015
   Last Modified: -
   Version 0.1

 Since 0.0.1
 %Example:
[success,files_saved]=wfdbdownload('mitdb/102')


 See also WFDBLOADLIB, RDSAMP