xhtalk v.2.0 changes.

* uses system(..finger..) instead of system(..rusers..)
* some commandline options added.
* options settable by resources.

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xhtalk v.2.1 changes

* self -written finger command, running in background
* configurable tomeout
* idle of users is mentioned
* debug mode for finger-commands

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xhtalk v.2.2 changes

* new finger method
 
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xhtalk v.2.3 changes

* error on sun3 fixed

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xhtalk v.2.4 changes

* replaced strdup -> calloc/strcpy
* wrong index in read_input_from_stdin() corrected
  (error on sun3)
* color label, if xpm-lib is available

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xhtalk v.2.5 changes

* memory leak closed    :-)
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xhtalk v.2.6 changes

* new function AddLabel (unmanage instead of destroy)
* memory leak closed

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xhtalk v.2.7 changes

* display idle time

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xhtalk v.2.8 changes

* changed file hierarchy.
* added an x-based talk (xhchat)
* fixed a memory bug            (thanks to Jeffrey Mast)
* modifications for hp's        (thanks to Jeffrey Mast)
* modification to finger on VAX (thanks to Beal Weston)
* added a -prog option          (good idea from Chris Holdorph)
* added a -all option
* changed the idle format       

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* bug fixed in IPC_Finger:
  (tested an uninitialized variable)

* added -dlight option          (good idea from Lars Eggert)

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xhtalk v2.9 changes

* fixed bug in ReadConfigFile   (thanks to Marty Leisner)
* fixed bug in xhchat           (thanks to Reiner Mauch & Joao Prospero Luis)
* added idle colors             (good idea from Malcolm C. Strickland)
* dynamic column number         (good idea from Stefan Haensgen & Lars Eggert)
* new xhchat option: bell
* better input for xhchat
* automatic toplevel width depending on font width
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* applied patches for sysv      (thanks to Dana Chee)
* bug fixed in finger.c         (thanks to Stan Thomas)