public / sequelize

… when using silent: true

Fix method name in findAll documentation

Update usage doc

Add unique keys check to postgres

Prevent `log` options from being dumped to log

Quote the name of unique indexes, and allow newlines in uniqe key names

avoid cryptic errors by checking for transaction

Without checking for this.transaction, a simple "access denied" error turns into the cryptic "cannot call commit on undefined" error.

make UniqueConstraintError inherit ValidationError