Implement arithmetic ops/triats for Array and &Array combinations
Implement arithmetic ops/triats for Array and &Array combinations

Earlier to this commit, arithmetic ops/traits were implemented for
only &Array type.

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