Log Message:
Import textproc/py-yaml. From DESCR:
YAML is a data serialization format designed for human readability and
interaction with scripting languages.  PyYAML is a YAML parser and
emitter for Python.
        
PyYAML features a complete YAML 1.1 parser, Unicode support, pickle
support, capable extension API, and sensible error messages.  PyYAML
supports standard YAML tags and provides Python-specific tags that allow
to represent an arbitrary Python object.
        
PyYAML is applicable for a broad range of tasks from complex
configuration files to object serialization and persistance.