lib/alf.rb in alf-0.11.1 vs lib/alf.rb in alf-0.12.0

@@ -22,9 +22,10 @@
   require 'alf/operator'
   require 'alf-shell/alf/shell'
   require 'alf/aggregator'
   require 'alf/relation'
   require 'alf/lispy'
+  require 'alf/ext'
 
   #
   # Builds and returns a lispy engine on a specific environment.
   #
   # Example(s):