public / sequelize

* all tests covering functionality which modifies schema
  now verify that the schema has actually changed, instead of
  just verifying against the number of logs output
* remove assertions against sql count in query-interface.test
* remove unused rawSelect against table in test

Fixes required for new query-interface tests for PG / MySQL / MariaDB

* PG: changing a column to DataTypes.FLOAT results in it being stored (and
  returned as) 'DOUBLE PRECISION'
* ensure that test schema is torn down after each test, to avoid tests
  interacting with each other
* remove unneeded calls to dropAllSchemas in query-interface.test.js
  - this is done in the afterEach call now
* MySQL/MariaDB: we have to change our expectation depending on the
  dialect, as the DataTypes names are too inconsistent

* this fixes Github issue #4943
* previously, calling removeColumn for a column with a defaultValue
  specified would cause an error -- this is because in MSSQL you have
  to drop the constraint before the column. See:
      http://stackoverflow.com/questions/8641954/how-to-drop-column-with-constraint
* also added integration tests for removeColumn function

fix usign hstore without model instance

Fixes issue #5344: Replaced _.cloneDeep with _.cloneDeepWith.

Fix 966

Changed MySQL, MSSQL changeColumn dont overwrite query template for changeColumn

geography and tests

Update lodash to version 4.1.0 🚀

sinon@1.17.3

chai@3.5.0 breaks build ⚠️

mocha@2.4.2

bluebird@3.1.2 

Fix for bug #4755

Added documentation note about bulkCreate hook and updatesOnDuplicate option

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Properly escape number 0 in query generator

Fixed field alias in order clause

Fix model update with individualHooks

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…ey values for the where clause using attribute name. I modified upsert so that .field is taken into account when collecting data for the upsert where clause. I've also added a failing test case which now passes.

Fix setting postgres timezone while fetching hstore oids.

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