Support for file sorting

Added support for file sorting. Settings for sorting can be added to yaml settings file:

  ## Sorting options
  sort:
    ## name, age, size
    type: age
    ## ascending or descending
    direction: ascending

Full Changelog: v0.1.2...v0.1.3

Single File mode, Styling, and time fixes

See the release log for specifics

Time format fixes

Dropped microseconds from time string and added some testing.. ~enjoy

Full Changelog: v0.1.0...v0.1.1

MVP Release

first working release.