v0.3.0

RAPIDS v0.3.0

Diff since v0.2.0

Closed issues:

• Use PythonIO for saving/reading models? (#12)
• Integrate API for multi node/gpu algorithms (#14)
• Convert CuArray to cupy array (#15)

Merged pull requests:

• rename prepare_input -> to_numpy, and export it (#31) (@tylerjthomas9)
• sync dev (#32) (@tylerjthomas9)
• Separate RAPIDS wrappers into modules (#33) (@tylerjthomas9)