Fix read default value from database

Also bump dependency versions
Drop snyk (use audit built into npm instead)

Bump sqlutil3

• Bump sqlutil3 to 4.0.1
• Bump other dependencies
• Add snyk integration to build to check for vulnerabilities

Query and Statement classes

v2.2.0

Version 2.2.0

Add collate option

Add collate option in schema

Close promise

Add "close" function on database that returns a promise.

Foreign Keys support

Support for foreign keys added.

Breaking API changes in createTables which now only creates a table if it doesn't already exist. Added functions for createTableIfNotExists which verifies that the schema matches the database, and createOrUpdateTable which also will try to update the database to a new schema.

Initial release

v1.0.0

Prepare package.json for publication