hslua-0.3.12: CHANGELOG.md

## Changelog


### 0.3.12

* `pushrawhsfunction` and `registerrawhsfunction` functions are added.
* `apicheck` flag is added to Cabal package to enable Lua API checking. (useful for debugging)

### 0.3.11

* `luaL_ref` and `luaL_unref` functions are added.