v0.6.0-alpha.4

Goal: having an authentication and authorization system that work.

• Infer response type from isHttpResponseXXX(#160).
• [@foal/cli] Add Authenticate hook in generated apps (#164).
• Add url-encoded parsing and add more tests (#165).
• Add the createController util (#166).
• Fix the LoginController bug "get" of undefined (#166).
• [@foal/cli] Generate controller specs (empty controllers) (#166).
• Support custom session store (#167).
• [@foal/cli] Generated apps now use by default an sqlite3 session store to not loose the user authentication when reloading the server (#167).
• Add e2e tests for authentication and authorization (#168).
• Add redirect URL to PermissionRequired.