clarete/s3ranger — pull request #9 by grosser (2013-09-24 18:09:33+00:00)
Title: fix invalid boolean conversion

```
dir += '/' if not (dir.empty? or dir.end_with? '/')
is not the same as
dir += '/' if not dir.empty? or dir.end_with?('/')
```

530dac22c2c4bf7d3464fe7e0859a667ae3653f2

@clarete