Add Ruby explanation in README.md
Change cider version to 0.4.0
Add OCaml support file
Fix ocaml-run to run-ocaml
Fix missing import

'slime-switch-to-output-buffer'  and 'slime-repl-return' are defined
in slime-repl.el.
Add hy support file
Add documentation for Hy
Merge branch 'feature-hy' into develop
Merge branch 'feature-ocaml' into develop

Conflicts:
	README.md
Add explanation of update in README.md
Bump version in code to 0.5.0
Merge branch 'develop' (Hy and OCaml support)

Conflicts:
	README.md