0.2.0

  - Support for PowerShot G1, the protocol is the same, just added the USB-ID
    (David Grant <dave@reach.net>)
  - Tried to anticipate the USB-ID of the next PowerShot digicams (me)
  - Libusb updated to 0.1.3b (me)
  - Libusb will be automatically compiled by the Makefile (me)
  - Enanched the configure script to find an already installed libusb
    (John Reynolds <jjreynold@home.com>)
  - Case conversion of filenames (John R.)
  - Local TZ date (John R.)
  - Set atime/mtime in retrivied files (John R.)
  - FreeBSD serial default device name fix (John R.)
  - Some other minor fix (John R.) John Reynolds <jjreynold@home.com>)
