adding a happy namespace
Adding unityRepl namespace
removing unnecessary ns inclusions from unityRepl
rudimentary error handling in unityRepl
moving unityRepl
makes more sense to let errors be handled by unity for now
attempting to integrate ClojureRepl.cs with unityRepl.clj
Fix static field error

With this syntax Clojure thinks update-repl-env is a static field of a C# class, which is not the case.
Fix IllegalArgumentException error

ArgumentException is the CLR equivalent of JVM's IllegalArgumentException