Fix TK_QUEST and SPILL AC in OPs.

This fixes both the problem with not assigning the memory address of the
referred to Boolean in the question operator and also not spilling the
AC in pretty much every unary and binary operation.

Also now excludes the testcase directory.

 On branch patch1-quest
 Changes to be committed:

	modified:   .gitignore
	modified:   ice9.y
	new file:   notes1.txt