get a gracefull yaml presentation of current Yaml.Node
| node |
the node to dump |
| show_line |
flag indicating if line number must be print |
| show_color |
flag indicating if enable printing colors |
| show_tags |
flag indicating if tags must be print |
| show_doc |
flag indicating if the document start must be print |
| indent |
number of space for indentation |
| show_fullkeys |
flag indicating if full key definition must be print |