Log Message:
Update to 0.6.1. From the changelog:

* Enhancements:
  * Expand path to logfile to easier debugging on failures.
    Pull #33 [marvin2k]

* Enhancements:
  * Add default cert store and custom certs from `SSL_CERT_FILE` if present.
    This increases compatibility with Ruby 1.8.7.

* Bugfixes:
  * Specify Accept-Encoding to make sure a raw file content is downloaded.
    Pull #30. [knu]

* Internal:
  * Improve examples and use them as test harness.