Added custom_data and where_extra support
Removed where_extra, using custom_data instead.
Implement AUTH_USERNAME_FIELD to restrict resources to its own resrouces, can be disabled for specific resources with user_restricted resource setting.
Merge branch 'develop' of https://github.com/tsileo/eve into tsileo-develop
Tests for 'User-Restricted Resource Access'
Changelog update for 'User-Restricted Resource Access'
Thomas Sileo
Docs update for 'User-Restricted Resoruce Access'
User-Restricted Resource Access
Merge branch 'tsileo-develop' into develop. Closes #27.