Resolves explicit_into_iter_loop lint warnings
Resolves explicit_into_iter_loop lint warnings

    warning: it is more idiomatic to loop over containers instead of using explicit iteration methods`
       --> src/gists/mod.rs:215:23
        |
    215 |         for (k, v) in files.into_iter() {
        |                       ^^^^^^^^^^^^^^^^^ help: to write this more concisely, try: `files`
        |
        = note: #[warn(explicit_into_iter_loop)] on by default
        = help: for further information visit https://rust-lang-nursery.github.io/rust-clippy/v0.0.212/index.html#explicit_into_iter_loop

    warning: it is more idiomatic to loop over containers instead of using explicit iteration methods`
       --> src/gists/mod.rs:263:23
        |
    263 |         for (k, v) in files.into_iter() {
        |                       ^^^^^^^^^^^^^^^^^ help: to write this more concisely, try: `files`
        |
        = help: for further information visit https://rust-lang-nursery.github.io/rust-clippy/v0.0.212/index.html#explicit_into_iter_loop

softprops/hubcaps,softprops/gust