Merge pull request #2 from Frugghi/master

Improve -[NMSSHSession isAuthorized] by using the libssh2_userauth_authenticated() function.
Add convenience method -[NMSSHSession sftp]
Fix README spelling: "exits" -> "exists"
Update to recommended project settings
Merge branch 'master' of github.com:Lejdborg/NMSSH
Add support for pty allocation before executing a command.

Signed-off-by: René Köcher <shirk@bitspin.org>
Add usage sample for pty allocation code.
Merge pull request #9 from Shirk/master

Add support for pty allocation before executing commands.
Fix README syntax inconsistensies
Merge Frugghi/master
Fix Xcode warnings
Follow newly defined code convension
Update iOS code as well
Update code-level documentation + generated AppleDoc
Improved NMSSHSession property documentation
Move NMSSHSessionDelegate to Protocols/
Improved NMSSHSession introduction (docs)

The introduction breaks the convention of a leading asterisk on every
line, because there is a bug in AppleDoc causing it to break code
formatting if there is a leading asterisk.
Correct documentation on NMSSHSessionDelegate