C UN library: history of fixed bugs and updates.
C ----------------------------------------------
C
C                        961206 - UNgtime, trouble at end-of-file
C                        961218 - - all -, display 'artificial' errors
C                        970318 -   again, display 'artificial' errors
C                        971028 - (3 sub),'syntax'error on Cray computer
C                        971105 - Allowed variable "imap(1)", =8 for Cray
C                        980705 - "single element" extension to UNwrite.
C                        980709 - bug fixes (start) in UNwrite & UNlwrite
C                                 ("DATA" statement incorrectly used).
C                        980825 - Changed default "stride" to 1 for v3.x
C                        981222 - bug fix: allow UNwrite for unlim dims.
C                                 note that this should be tested.
C                        990110 - Added "UNgindx" = general. of UNgtime
C                               - Removed all "DATA" and all "//" in write
C                                 (the later should improve compatibility)
C                        990128 - UNwrite: added a "no warning" option.
C                        990323 - UNwrite: added 1D+time capability.
C                        990807 - UNwrite: added 3D-notime capability.
C  -----------------------------------------------------------------------
C                        000404 - Major upgrade: compatibility with
C                                 NetCDF v3.4
C                               - NOTE: Types other than REAL may be
C                                 accepted in UNread, but not tested
C  -----------------------------------------------------------------------
C                        000614 - Bug fixes: uninitialised error count
C                                 in UNwcatt, bug in UNclose. 
C                        000620 - Bug fix: UNropen (args. of get title fn)
C                        000713 - Bug fix: UNgtime (missing arg in a call)
C                                 (last tree caused by 000404 upgrade)
C  -----------------------------------------------------------------------
C                        000928 - UNlwrite: added 2D+time capability.
C                        001008 - All: CHARACTER*(*) declaration for units
C                                 and longer strings for intern. variables
C                        010417 - UNread: added var not found info
C                                 UNropen: added file not found info
C                        010715 - UNwrite + UNlwrite: 
C                                   fixed bug / unlimited time dim
C                        0107xx - UNwrite:  
C                                   missing values -> not in "range"
C                        020130 - All:    
C                                  .removed obsolete warnings about 
C                                   double precision in files.      
C                                  .added a version (libUN_dbl) with
C                                   REAL*8 as arguments - but still
C                                   creates REAL*4 in files.
