pydata/pandas — pull request #5957 by jreback (2014-01-15 23:25:21+00:00)
Title: API: add reads_json, reads_msgpack, reads_csv, reads_pickle as convience functions which accept a string

closes #5655
closes #5874

todo:

```
[ ] update io.rst docs
[ ] more tests (esp pickle/csv) for passing string to ``read_csv`` or file-handle to ``reads_csv``
```