Change log for ndar_unpack
https://github.com/chaselgrove/ndar/tree/master/ndar_unpack

0.1.0 -- 22 April 2014

    Initial version.

0.1.1 -- 20 May 2014

    Covering for mri_convert bug where mri_convert -ro fails but 
    mri_convert -ro -ii succeeds.

0.1.2 -- 20 May 2014

    Adding --version flag.

    Removing version 0.1.1 mri_convert cover, which was actually due to 
    bad test data.

0.1.3 -- 26 November 2014

    Allowing access with AWS temporary security tokens.

    Fixed S3 error reporting bug.
