More work on console I/O and minor fixes

luprex/core/lua/ut-table.lua

@@ -1,12 +1,6 @@
 
 makeclass("unittests")
 
-function cmt()
-    for i=1,100000 do
-        local t = {1,2,3,4,5,a=1,b=2,c=3,d=4,e=5}
-        table.clear(t)
-    end
-end
 
 function unittests.tables()
     -- check table.count
@@ -16,7 +10,7 @@ function unittests.tables()
 
     -- check table.clear
     local t = { a = 1, b = 2 }
-    table.clear(t)
+    table.clear(t, true)
     assert(t.a == nil)
     assert(t.b == nil)
     assert(table.count(t) == 0)