HarlanH/DataFrames.jl — pull request #297 by Quantisan (2013-06-26 08:14:45+00:00)
Title: fix doc section 03 where use of super(DataVector) errors

this patch fixes doc section 3 error:

```
julia> super(DataVector)
ERROR: no method super(TypeConstructor,)

julia> super(super(DataVector))
ERROR: no method super(TypeConstructor,)

julia> DataVector.names
ERROR: type TypeConstructor has no field names
```