Merge pull request #16 from msg7086/master

Rewrite load_file to use IO instead of StringIO. Way faster.

Author: dasch

lib/bencode/decode.rb

@@ -31,6 +31,8 @@ def self.load(str, opts = {})
   # @option (see .load)
   # @return (see .load)
   def self.load_file(path, opts = {})
-    load(File.open(path, 'rb').read, opts)
+    File.open(path, 'rb') do |io|
+      load(io, opts)
+    end
   end
 end