docu update

ChangeLog

-2012-12-13  Uwe Schulzweida  <Uwe.Schulzweida@zmaw.de>
+2012-12-17  Uwe Schulzweida  <Uwe.Schulzweida@zmaw.de>
 
 	* Version 1.5.9 released
         * using CGRIBEX library version 1.5.6
@@ -49,7 +49,7 @@
 
 2012-11-05  Uwe Schulzweida  <Uwe.Schulzweida@zmaw.de>
 
-	* grib2: correct endStep if timeunits is not equal stepUnits (big fix)
+	* grib2: correct endStep if timeunits is not equal stepUnits (bug fix)
 	* cgribexGetGrid: bug fix for yinc for odd ysize
 
 2012-10-30  Uwe Schulzweida  <Uwe.Schulzweida@zmaw.de>

NEWS

 CDI NEWS
 --------
 
+Version 1.5.9 (17 December 2012):
+
+   New features:
+     * file.c::file_initialize: added support for env GRIB_API_IO_BUFFER_SIZE
+   New functions:
+     * vlistDefVarChunktype(): set chunktype to CHUNK_AUTO, CHUNK_GRID, CHUNK_LINES
+     * vlistInqVarChunktype(): returns the chunktype
+   Fixed bugs:
+     * vlistCopyFlag: added support for level bounds
+     * netCDF: added support for time axis name and long_name
+     * cgribexGetGrid: bug fix for xinc/yinc recomputation
+     * stream_cdf::define_all_vars: added txt attributes to vlistDefAttTxt() without trailing 0 [Bug #3004]
+
 Version 1.5.8 (30 October 2012):
 
    New features:
      * grib2: added stepType support for absolute time axis
      * netCDF: set 1D arrays to coordinate variables if axis attribute is available
-   New funktions:
-     * vlistDefVarChunktype(): set chunktype to CHUNK_AUTO, CHUNK_GRID, CHUNK_LINES
-     * vlistInqVarChunktype(): returns the chunktype
    Fixed bugs:
      * grib2: changed packingType from grid_jpeg to grid_simple if nmiss > 0