Features/Changes
- Runime: improve stacktraces.
- Ppx: ppx uses the OCaml 4.06 ast.
- Misc: support for OCaml 4.07
- Misc: start leveraging safe-string.
- Lib: add support for Internationalization API.
- Lib: Added media events support.
Bug fixes
- Runtime: int_of_string accepts leading '+'
- Runtime: fix polymorphic & hash compare on custom non-ocaml values.
- Runtime: fix string encoding when writing to channels.
- Runtime: improve mode js detection wrt filesystem.