fixes #109

tests/run/tcontinue.nim

@@ -0,0 +1,28 @@
+discard """
+  output: "came here"
+"""
+
+var i = 0
+while i < 400:
+
+  if i == 10: break
+  elif i == 3: 
+    inc i
+    continue
+  inc i
+
+var f = "failure"
+var j = 0
+while j < 300:
+  for x in 0..34:
+    if j < 300: continue
+    if x == 10: 
+      echo "failure: should never happen"
+      break
+  f = "came here"
+  break
+
+if i == 10:
+  echo f
+else:
+  echo "failure"