* Add space between values in docker stats output for easier parsing
Old output could not be parsed easily because there were columns
that did not have any separator. Also values that are together
without any space is difficult to read even for humans.
* Update unit.HumanSize comment to match what the does actually does
Signed-off-by: Otto Kekäläinen <otto@seravo.fi>
using standard unix postfixes add unit test for display
also change doc for memory usage display change
for example GiB will be GB
Signed-off-by: Sun Jianbo <wonderflow@zju.edu.cn>
