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Heavy maintenance going on...

I recently upgraded my workstation to Ubuntu 19 which has resulted in a number of downstream compilation issues. So, I'm currently in the process of ironing these out. These aren't subtantial but do result in runtime segmentation faults. Needlessly to say, these are very irritating, as they largely represent imcompatibilities between the earlier code and newer library internals.

Hey, ho! Moving along!

2019-11:
   Building against Gtk+ 2.24.32 api
        o removed unecessary code, all functions working.
   gnocl::recentManager
        o commands check, get, add, remove and purge now implemented
          (warning dialog appears to confirm/cancel purge)       
   gnocl::recentChooserDialog
        o new options -recentManager, -fileFilters, -sortType,
                -limit, -localOnly, -showIcons, -showPrivate, -showTips, -returnURI,
                -selectMultiple (does not return user selection, but those RCM list)
   gnocl::splashScreen
        o code simplified to remove unexpected crashes.
        o status and progressBar repositioned to handle changes to the background image size.
   gnocl::toolPalette   
        o gnocl::itemGroup and gnocl::itemTool implemented to return help information.
   gnocl::aboutDialog -
   gnocl::fontSelectionDialog -
   gnocl::fileChooserDialog -
   gnocl::message -
   gnocl::recentChooserDialog -
   gnocl::colorSelectionDialog -
   gnocl::assistant -
   gnocl::pageSetupDialog -
   gnocl::window -
   gnocl::application
         o added -parent to all dialogs and windows         
   gnocl::radioButton
   gnocl::paned
   gnocl::notebook
   gnocl::pixBuff
        o new commands: icon and masthead, create pixbufs from internal graphics.
   gnocl::window
        o all toplevels now show the gnocl logo by default
   gnocl::menuBar
        o cget works for all options
        o new commands append, prepend, insert
   gnocl::winfo
        o tidied up debugging messages
   gnocl::iconView
        o new option -data (data assigned to widget scrolledWindow)
        o add command will now also load stockitems and pixbufs
        o "not recommended" bindings removed from module sources (See Gtk docs for details)
        o viewer model is preset, so related options have been removed
   gnocl::drawingArea       
        o irregularlities with -onButtonPress script substitutions now fixed
        o -actions now automatically set to an empty list, (no need to initialize to prevent crash)

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