v0.1.0

Update to Rust 2018 + updated crates + handle query parameters

• feat: query parameter support was missing
• chore: update crates to latest
• chore: upgrade to Rust 2018
• fixed: doc test
• chore: drop hyper and use http crate
• chore: cleanup imports
• fix: replace rustc_serialize with serde
• chore: upgrade crates