v4.0.0

BREAKING

• Scopes: Scopes with an OR combinator are automatically grouped (3183f6d)

chore

• docs: Fix broken link from README to official docs (6881634)

feat

• Relationships: Add a withCount method to easily add relationship counts to entities (8524ef8)
• QuickBuilder: Automatically scope whereHas and whereDoesntHave callbacks
  (38b8a46)

fix

• ErrorMessages: Improve error message when attempting to set relationships on unloaded entities
  (fe4ad26)
• Relationships: Fix addSubselect and *manyThrough overflows and bugs
  (ab8e121)
• BelongsTo: If all the foreign keys are null, skip the database and return the default entity or null (287e990)
• BelongsTo: Reference provided localKeys instead of pulling them from the related entity (43f47aa)
• HasManyThrough: Swap final compare constraints in nested query
  (22d1728)