public / sequelize

Workaround to deal with an issue in node-webkit where the validate function fails on object literals

…s on object literals, with a comment to help explain why.

…s on object literals.

Refactor 2 x hasMany to belongsToMany

…nd not sql statement content

Update `inflection` dependency to v1.5.3

add dialect checks for upsert support

Upserts in MSSQL are non-trivial to implement, adding the ability
to test for support is a valid stopgap for later implementation