0.17.1

Slightly changed storage organization for Result class

What's Changed

• Added tree method to display storage structure by @david-zwicker in #64
• Allow sending log data to stdout and stderr in scripts by @david-zwicker in #65
• Fixed bug in background job template by @david-zwicker in #66
• Change location of storage of models by @david-zwicker in #67
• Deprecated .data attribute of Result class by @david-zwicker in #68

Full Changelog: 0.16.0...0.17.1