bin/xi in xi-lang-0.2.2 vs bin/xi in xi-lang-0.2.3

@@ -2,6 +2,11 @@
 require "xi"
 require "xi/repl"
 
 include Xi
 
-REPL.start
+if ARGV.index('--irb') >= 0
+  ARGV.delete('--irb')
+  REPL.start(irb: true)
+else
+  REPL.start
+end