draw_timeSeries(filen, values, variables)
  filen= name of the file
  values= [dimvalues]:[sminv],[smaxv]:[gvarname]:[timetit]:[tkind]:[timefmt]:[title]:[legvals]:
      [gkind]:[colorlines]:[typelines]:[widthlines]:[pointtype]:[pointfreq]:[figclose]
      [dimvalues]= ',' separated list of [dimname]|[slice]
        [dimname]: name of dimension
        [slice]: value to take for the given dimension
          * [integer]: which value of the dimension
          * -1: all along the dimension
          * [beg]@[end]@[freq] slice from [beg] to [end] every [freq]
          * -9: last value of the dimension
       [sminv],[smaxv]: minimum and maximum value for the lines or one value for each extreme:
        'Srange': for full range
        'Saroundmean@val': for mean-xtrm,mean+xtrm where xtrm = np.min(mean-min@val,max@val-mean)
        'Saroundminmax@val': for min*val,max*val
        'Saroundpercentile@val': for median-xtrm,median+xtrm where xtrm = np.min(median-percentile_(val),
          percentile_(100-val)-median)
        'Smean@val': for -xtrm,xtrm where xtrm = np.min(mean-min*@val,max*@val-mean)
        'Smedian@val': for -xtrm,xtrm where xtrm = np.min(median-min@val,max@val-median)
        'Spercentile@val': for -xtrm,xtrm where xtrm = np.min(median-percentile_(val),
          percentile_(100-val)-median)
    [gvarname]: name of the variable to appear in the graph
    [timetit]: title of the time axis (assumed x-axis, '|' for spaces)
    [tkind]: kind of time to appear in the graph (assumed x-axis)
      'Nval': according to a given number of values as 'Nval',[Nval]
      'exct': according to an exact time unit as 'exct',[tunit];
        tunit= [Nunits],[tu]; [tu]= 'c': centuries, 'y': year, 'm': month,
        'w': week, 'd': day, 'h': hour, 'i': minute, 's': second,
        'l': milisecond
    [timefmt]: format of the time labels (C-like)
    [title]: title of the graphic ('|' for spaces)
    [legvals]=[locleg]|[fontsize]:
      [locleg]: location of the legend (0, autmoatic)
        1: 'upper right', 2: 'upper left', 3: 'lower left', 4: 'lower right',
        5: 'right', 6: 'center left', 7: 'center right', 8: 'lower center',
        9: 'upper center', 10: 'center'
      [fontsize]: font size for the legend (auto for 12)
    [gkind]: kind of graphical output
    [colorlines]: ',' list of colors for the lines, 'None' for automatic, single
      value all the same
    [pointtype]: ',' list of type of points for the lines, 'None' for automatic, single
      value all the same
    [pointfreq]: frequency of point plotting, 'all' for all time steps
    [figclose]: whether figure should be closed or not
  variables= [varname],[timename] names of variable and variable with times