multiple hue support issue 147

[AlirezaEiji191379]

I added support for multiple hues. that is related to #112.

[AlirezaEiji191379]

in this pull request i will return an object which its properties are the heus list!

[AlirezaEiji191379]

here is my changes https://github.com/davidmerfield/randomColor/pull/147/commits/0104bc788c4f5f644d8a8c673a0865004bd76c5b

[AlirezaEiji191379]

because i can not fork the repo twice i solve these two issues on two commits!