Merge pull request #164 from signnow/feature/document-group

Feature / document group

Merge pull request #158 from signnow/hotfix/document-history

hotfix | document history

Merge pull request #157 from signnow/fix/lock-signing-date

Fix | lock signing date

Merge pull request #155 from signnow/date_tag

Fix | DateValidator complex tag

Merge pull request #154 from signnow/feature/complex-text-tags

SNSP-6514 | Complex Text Tags

Merge pull request #150 from signnow/fix-missing-model-props

Fix missing model props

Merge pull request #147 from signnow/fix-validation

Fix validation limits, add thumbnails

Merge pull request #132 from signnow/prefill-text

Edit Text field feature

Added release version to changelog

Update changelog