v2.00

  - this version serves primarily to bring the API in line with
    Archive::Ar 2.00
  - added methods
    - set_opt
    - get_opt
    - clear
    - get_data
    - chmod
    - chown
    - type
    - rename
    - extract
    - extract_filename
    - error
    - contains_file
  - deprecated methods
    - DEBUG
    - set_output_format_bsd
    - set_output_format_svr4
  - Archive::Ar::Libarchive now optionally exports type constants
    COMMON (referred to as "svr4" previous versions), GNU and BSD
  - type detection: after reading an archive the type method
    will tell you the type of ar file.
  - output format defaults to input format
  - read and write metods will now accept a file handle or IO::Handle
    object
  - GNU format is now supported for output
doco