The main example doesn't explicitly indicate that the rand_core feature is required, and rust gives confusing error messages if you don't include it. This change simply adds a line reminding the new user of the crate to include the rand_core feature.
The main example doesn't explicitly indicate that the
rand_corefeature is required, and rust gives confusing error messages if you don't include it. This change simply adds a line reminding the new user of the crate to include therand_corefeature.Closes #633