{protocol,http}.rb 1.1.24 was checked in.
changes are:

* lib/net/http.rb: can make proxy connection by passing
  addresses to HTTP.new, start.
* lib/net/http.rb: HTTP.new_implementation, old_implementation:
  can use 1.2 implementation of head, get, post, put.
  (see document for details)
* lib/net/protocol.rb: each_crlf_line was modified again.
* lib/net/protocol.rb: do_write_beg,do_write_end -> writing{}
  do_write_do -> do_write

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Minero Aoki