Add support for dependencies

Created by: AgostonSzepessy

The package manager needs dependency resolution. Would the dependencies be listed by just name like this?

name = "package1"
version = "0.0.1"
arch = "x86_64"
depends = []

name = "package2"
version = "0.0.2"
arch = "x86_64"
depends = ["package1"]

Or do we also need to include the version numbers?

name = "package1"
version = "0.0.1"
arch = "x86_64"
depends = []

name = "package2"
version = "0.0.2"
arch = "x86_64"
depends = ["package1-0.0.1"]