capability to print exactly one space as column delimiter in dependency tree to enable: setup zero column length in config ``` output:   tree:     - package: 0     - version: 0     - branch: 0 ```
capability to print exactly one space as column delimiter in dependency tree
to enable: setup zero column length in config
```
output:
  tree:
    - package: 0
    - version: 0
    - branch: 0
```

output will be like:
```
-<root>
    +boost 1.60.418 1.60-pm
        +zlib 1.2.8.257 1.2.8-pm
    +gtest 1.8.0.133 1.8.0-pm
    +rapidjson 1.1.0.154 1.1.0-pm
    +zlib 1.2.8.257 1.2.8-pm
    +libcurl 7.58.0.247 7.58.0-pm
        +zlib 1.2.8.257 1.2.8-pm
        +openssl 1.0.2.224 1.0.2n-pm
```

devopshq/crosspm,devopshq/crosspm