better check if 'IS NOT' or '!=' should be used
added tests for postgres and sqlite
set the right context for postgres tests
Merge pull request #1231 from unlooped/master

better check if 'IS NOT' or '!=' should be used
Update changelog.md
Update README.md
Validation skipping logic was inverted. Fixed #1169
Merge pull request #1233 from saschagehlich/bugfix/inverted-validation-skip-logic

Validation skipping logic was inverted. Fixed #1169
Update changelog.md
Fix for #1234 - Postgres query should set on .dataValues instead of object directly
Update changelog.md
Merge pull request #1239 from mickhansen/fix-issue-1234

Fix for #1234 - Postgres query should set on .dataValues instead of object
merge skipped fields refactor