Added alloc_host and changed to use `to_str` -> `to_owned`
Added alloc_host and changed to use `to_str` -> `to_owned`

9prady9/arrayfire-rust,botev/arrayfire-rust,arrayfire/arrayfire-rust,arrayfire/arrayfire-rust,arrayfire/arrayfire_rust,9prady9/arrayfire-rust,9prady9/arrayfire-rust,arrayfire/arrayfire-rust,9prady9/arrayfire-rust