Mon Mar 17 22:31:01 2014  Jiri (George) Lebl <jirka@5z.com>

	* src/calc.[ch], src/funclib.c: Implement DisplayVariables which
	  shows either individual variables or a complete listing including
	  stacktrace if called inside another function.

	* lib/misc/misc.gel: Add PrintTable which prints a table of a
	  function

	* help/C/genius.xml: Document the above