Updated release notes
Updated dependencies
Updated sbt-launcher version
Updated plugins for the unicode-related bugfix
Autogenerated markdown documentation
Setting version to 0.4.0:

* Migrated to the stable release of shapless-2.0;
* Cross-compiling and publishing for scala 2.10/2.11;
* Added simple conversion to `HList` and to the usual `List`;
* Added set mapper (it requires that the return type is also a type-set);
* Added mappers to `HList` and to the usual `List`;
* Added constrant on the Lookup type;
* **Breaking change**: removed implicit conversion for an one-element set;
Setting version to '0.5.0-SNAPSHOT'