afcapel/websocket_parser — pull request #3 by skalee (2013-03-09 01:17:42+00:00)
Title: Ruby 2.0.0 support: Parser#append.

Due to (probably) Ruby's optimizations, `str1 << str2` could change
str1's encoding if str1 was blank. It is critical to have @data in pure
ASCII and never allow UTF-8 there.