Add a unified RepositoryInterface
Convert channel->fields into a true Eloquent relationship
Convert entry->channel into a true Eloquent relationships
Refactoring
Add CategoryPosts model, use proper relations in Title model for author and categories
Fix notCategoryGroup scope
Fix showExpired, fixedOrder and sticky scopes
Add HasManyFromRepository and HasOneFromRepository relateions
Change channel relationship name to chan, add a channel alias, fix conflict with scopeChannel
Fix variable collision causing trouble with tag pairs in BasePlugin
Fix tag pairs broken when using backspace param