(* V1.00 : 1994.01.05 : SCA   : First release
   V1.01 : 1994.01.06 : SCA   : Keys not added if a new section is created
   V1.02 : 1994.02.09 : SCA   : rtrim added for section name
                              : Corrected if not .BAK file existed
   V1.03 : 1994.02.10 : SCA   : rtrim added for key values
   V1.04 : 1994.03.23 : SCA   : Can now add [section]key=  without value
                                Added file-io-errorhandling
   V1.05 : 1994.04.06 : SCA   : # added to comment lines, - now deletes the lines
                              : Added _ and * commands
                              : Added < and > commands
   V1.06 : 1994.04.11 : SCA   : Corrected a problem when adding a new section
                              : with mutliple new keys
                              : Added ! command
   V1.06b: 1994.04.14 : SCA   : Added Quiet Mode
   V1.07 : 1994.04.19 : SCA   : Added @ commands
   V1.08 : 1994.04.21 : SCA   : Corrected a problem when adding new sections
                              : A simple missing STRUPPER !!!
                              : %env% added
   V1.09 : 1994.04.22 : SCA   : Corrected ! command
                              : %% translates to %
                              : Multiple ! commands for the same section supported
   V1.09a: 1994.04.26 : SCA   : Quiet-mode no longer case sensitive
   V1.09b: 1994.04.27 : SCA   : % now in section & key
   V1.09c: 1994.05.03 : SCA   : + & ! > in commented sections now works
                              : Keys with numeric endings are now treated
                              : correctly for all commands
                              : Delete key numeric command added ~
   V1.10 : 1994.05.05 : SCA   : General replace of strings (r command)
                              : R command added
*)