SFTP: make get() return correctly sized strings
Merge pull request #237 from terrafrost/sftp-get-size-fix

SFTP: make get() return correctly sized strings

* terrafrost/sftp-get-size-fix:
  SFTP: make get() return correctly sized strings
Merge branch 'master' into php5

* master:
  SFTP: make get() return correctly sized strings