Bugfix

• scan! can now be called in a submodule

Feature

• allow reading into more than just variables in the scan! macro
  • an arbitrary expression that is valid on the left of an assignment is now legal
• added scan! to the readme
• added clippy badge to the repository

Feature

• added a scan! macro to read multiple values in one expression
• removed the unstable nightly feature for read! which allows reading into tuples
• added the ability to read from arbitrary types that implement Iterator<Item=u8>