public / sequelize

Consolidate escaping into SqlString

Conflicts:
	lib/dialects/postgres/query-generator.js

Fix for problems with quoteidentifiers 

Added  variables for buster-test/npm buster tests for quicker testing.

Strings for .find() should be fixed. Also added support for string primary keys to be found easily. Closes #735

Enforce referential integrity data-model example

…to be found easily. Closes #735

Closes #723 (consistent handling of limit and offset across dialects)

Added basic where logic to sequelize closes #321

Cleaned up configuration.spec.js and made Sequelize throw an error for a dialect that doesn't exist. Closes #729.

… that doesn't exist. Closes #729.

Make explicit migrations possible.

Better BigInt support for PostgreSQL.

Bugfix for the problems related to eager loading associations and subsequent saving of DAO instances