Fix recursion error on ignore operator

Author: niwinz

CHANGES.md

@@ -1,5 +1,9 @@
 # Changelog #
 
+## Version 2.2 ##
+
+- Fix recursion error on ignore operator
+
 ## Version 2.1 ##
 
 - Make seed optional for `reduce`

src/beicon/v2.cljs

@@ -559,7 +559,7 @@
   "Ignores all elements in an observable sequence leaving only the
   termination messages."
   [ob]
-  (pipe (ignore) ob))
+  (pipe (ops/ignore) ob))
 
 (defn finalize
   "Returns an Observable that mirrors the source Observable, but will