Merge pull request #7 from Parallels/develop

Add support for iterating over ArtifactoryPath and move walk() outside of ArtifactoryPath
Merge pull request #8 from Parallels/develop

Expand README.md
Add Debian package upload example to Readme
Merge pull request #10 from jravetch/patch-2

Add Debian package upload example to Readme
Merge pull request #9 from Parallels/develop

artifactory.walk() should return child files and directories as strings
Local files need to be opened as binary.
Merge pull request #11 from ChipJust/develop

Local files should be opened as binary.