public / sequelize

Instead of using the first part of the key directly, respect
defined custom field names

JSON: Cast key when using the equality operator

Fixed `operator does not exist` exception when using queries like:
```js
{
  'data.age': 4
}
```

[ci skip] Docs: Clarify the phrases, "Notice that the accessor is singular/plural" in models-usage.md

Clarify the phrases, "Notice that the accessor is singular/plural" - which may be confusing as the term, "accessor", typically refers to code

[ci skip] Fix typo in schema.md

BelongsToMany.injectAttributes: replace model.init call with model.refreshAttributes

Throw the original error from authenticate

option object shouldn't be updated internally.

Fixed a bug where wrong sql was generated when destroying in pg when primary key has an alias.

…eld as a primary key in postgres.

[ci skip] 📝 Transaction document fix

String validation fix

[ci skip] Update api docs in data-types.js

Update JSDoc of Model.prototype.findOrInitialize()

The @return tag says that this method returns Promise<Instance>, while the
real return contains also an 'initialized' boolean value.