Resolve newer mysql version test failures

Previously MySQL silently accepted out of range values (whereas other DBs threw errors).
Newer MySQL versions now exhibit sane behaviour and also throw errors, so a workaround for this in tests can be removed.

Merge pull request dresende#842 from dresende/bump_deps

Update dependencies to address security

Bump dependency versions to address security vulnerabilities

Merge pull request dresende#833 from dresende/fix_object_crash_pg

Update node-sql-query dep & dev sqlite version - security

Bump sql-ddl-sync - dependency update

Merge pull request dresende#830 from dresende/update_dependencies_sec…

…urity

Update dependencies to improve security

Update packages

Merge pull request dresende#762 from dresende/fix_hasmany_keys

Fix hasmany 'has' accessor to work with custom keys

Merge pull request dresende#761 from dresende/has-many-fix

Fix has many 'has' accessor failing when join table has duplicate entries