Changes

• #335: Remove support for sideloading and wrap-sideloader middleware.
• #339: Introduce custom REPL implementation instead clojure.main/repl.
• #341: Make session middleware handle all dynamic bindings.
• #342: Make the stack of the eval handler shorter. (this makes stacktraces easier to understand)
• #345: Use customized executors for all asynchronous tasks.
• #347: Refactor print middleware to have tidier stack and use Java classes instead of proxies.

Bugs fixed

• #271: Fix not being able to define dynamic variables from terminal REPL.
• #348: Fail with helpful error if incorrect bencode is written through the transport.
• #356: The built-in client now prints all output.