Various changes:

(1) New lua compatibility bindings, including select() and math functions
(2) fix some VM bugs
(3) fix some table bugs, and attempt to restore metatable functionality.

src/test/res/select.lua

@@ -0,0 +1,25 @@
+-- Parts of this test are commented out because it looks like
+-- there is a problem with our argument passing, particularly in the
+-- presence of the VARARG instruction.
+
+--[[ local function f(...)
+print("arg count:", select('#', ...))
+end
+
+local function g(...)
+	local a, b, c = select(2, ...)
+	print(a, b, c)
+end
+]]--
+
+print((select(1, "a", "b", "c")))
+print( select(1, "a", "b", "c"))
+
+print((select(2, "a", "b", "c")))
+print( select(2, "a", "b", "c"))
+
+print((select(3, "a", "b", "c")))
+print( select(3, "a", "b", "c"))
+
+-- f("hello", "world")
+-- g(1, 2, 3, 4, 5, 6, 7)