v0.3.1 - 2017-08-21

• Fix accidental shadowing of open from another interface-less module using ppx_regexp.
• Support binding of group 0 and the universal pattern.
• Switch to ppx_tools_versioned. This provides support for 4.02.3 in the main branch.

v0.3.0 - 2017-06-04

• Initial release for OCaml 4.03.0 and 4.04.1.

v0.2.0 - 2017-06-04

• Initial release for OCaml 4.02.3.