fix

improvements

Update ChangeSetFactory.php

refaktorizace

Merge pull request AppsDevTeam#12 from conflictboy/f-revert-save-json…

…-diff

Revert save only json diff

Merge pull request AppsDevTeam#11 from conflictboy/fix-key-not-exists

Fix key not exists

Merge pull request AppsDevTeam#9 from conflictboy/f-fix-property-exists

Fix: check if property exists

Merge pull request AppsDevTeam#8 from conflictboy/fix-json-property-c…

…hange-set

Fix: Json column property change set

Merge pull request AppsDevTeam#7 from conflictboy/f-save-only-json-diff

Feature: save only JSON diff

improved logging of 1:N