Log Message:
Changes 3.17:
    * Jump to file on Ctrl-j
    * Complete in filebrowser with Ctrl-Tab
    * Debugger fixes and fixes for HP-UX
    * Various build fixes for different OS's
    * Insert history in all input widgets.
    * Shell command line on Escape pipes selected text through
	arbitrary commands (experimental).
    * Colour space options, black on white display.
    * Prolog syntax highlighting.
    * Gimp script syntax highlighting.
    * Valgrind auditing.