Add binary compares, some unary ops, fix binary arithmetic, add plain for loop.

src/test/res/compile.sh

@@ -1,7 +1,10 @@
 #!/bin/bash
 LUA_HOME=/cygdrive/c/programs/lua5.1
-for x in test1 test2 test3 test4
+TESTS="test1 test2 test3 test4 test5"
+#TESTS="test5"
+for x in $TESTS
 do
     echo compiling $x
 	${LUA_HOME}/luac5.1.exe -l -o ${x}.luac ${x}.lua
+	${LUA_HOME}/lua5.1.exe ${x}.luac
 done

src/test/res/test5.lua

@@ -0,0 +1,17 @@
+
+ i = 777
+ while i<780 do
+   print(i)
+   i = i+1
+ end
+
+ a,b = 0,1
+ while true do               -- infinite loop
+   print( b )
+  a,b = b,a+b
+  if a>10 then break end   -- exit the loop if the condition is true
+ end
+
+ for count = 336,330,-2 do print(count) end  -- numerical iteration
+ 
+-- for key,value in pairs({a=10, 3.14159265358, c="banana"}) do print(key, value) end