0.29 2013/04/09
- L7::HTTP
  - support for 1xx responses
  - support for chunked requests
    INTERFACE CHANGE!! in_chunk_{header,trailer} now specifify direction
    before the data
  - fixes for chunked handling:
    - Transfer-Encoding is compared case insensitive
    - chunked is only enabled if Transfer-Encoding is exactly 'chunked'
      (ignore case) not 'chunked whatever' etc
    - chunked is only available with version >= 1.1
  - added test 02_l7http