SFTP: add the ability for nlist() and rawlist() to be sorted
SFTP: define $sortOptions
SFTP: rm whitespace
SFTP: reset sort options every time and update unit test
SFTP: assertEquals -> assertSame
SFTP: add new line to end of unit test
SFTP: update unit test comments
SFTP: update one last comment
Merge pull request #364 from terrafrost/sftp-sort2

SFTP: add the ability for nlist() and rawlist() to be sorted

* terrafrost/sftp-sort2:
  SFTP: update one last comment
  SFTP: update unit test comments
  SFTP: add new line to end of unit test
  SFTP: assertEquals -> assertSame
  SFTP: reset sort options every time and update unit test
  SFTP: rm whitespace
  SFTP: define $sortOptions
  SFTP: add the ability for nlist() and rawlist() to be sorted