Fix typo
Made overwrite and before_update clean

I cannot make it cleaner
Fix typo
Merge pull request #636 from kenjis/fix_auth

Fix typo
Add example of cache section
Merge pull request #637 from kenjis/fix_cache

Add example of cache section
Merge pull request #635 from kenjis/fix_typo

Fix typo
Merge pull request #627 from sagikazarmark/1.8/develop

Added docs for slug overwrite