added tools and web dirs

tests/titer3.nim

@@ -1,7 +1,17 @@
+
+iterator count1_3: int =
+  yield 1
+  yield 2
+  yield 3
+
+for x in count1_3():
+  write(stdout, $x)
+
 # yield inside an iterator, but not in a loop:
 iterator iter1(a: openArray[int]): int =
-  yield a[0] #ERROR_MSG 'yield' only allowed in a loop of an iterator
+  yield a[0]
 
 var x = [[1, 2, 3], [4, 5, 6]]
 for y in iter1(x[0]): write(stdout, $y)
 
+#OUT 1231