raw() function not working properly

```
What steps will reproduce the problem?
1. just try to read raw data.
2.
3.

What is the expected output? What do you see instead?
I expected cell content. received empty values

Please provide any additional information below.
if I use ->val instead of ->raw i can read the data. The class opens the
file and recognizes the number of rows and columns.
```

Original issue reported on code.google.com by `mihai.gh...@gmail.com` on 5 May 2009 at 4:01

Start by reproducing the reported difference between the raw() and eval paths while reading cell content. Trace the raw() entry point after the class opens the file and confirms its row and column counts. Done means raw() returns the expected cell values instead of empty values, with the existing behavior checked against the eval path.

Written by the indexing model from the issue text.