Utility Functions

General Functions

`list`	List all available hub cloud datasets.
`exists`	Checks if a dataset exists at the given `path`.

`read`	Utility that reads raw data from supported files into hub format.
`link`	Utility that stores a link to raw data.

`compute`	Compute is a decorator for functions.
`compose`	Takes a list of functions decorated using `hub.compute()` and creates a pipeline that can be evaluated using .eval