Update upgrade guide

Author: antonkomarev

UPGRADING.md

@@ -1,8 +1,91 @@
 # Upgrade Guide
 
+- [Upgrading From 4.0 To 5.0](#upgrading-from-40-to-50)
 - [Upgrading From 2.0 To 3.0](#upgrading-from-20-to-30)
 - [Upgrading From 1.0 To 2.0](#upgrading-from-10-to-20)
 
+## Upgrading From 4.0 To 5.0
+
+You can upgrade from v4 to v5 by performing these renames in your model that uses flags.
+
+These instance methods should be renamed:
+
+- `isRejected` renamed to `isNotAccepted`
+- `isDeactivated` renamed to `isNotActivated`
+- `isDisapproved` renamed to `isNotApproved`
+- `isUninvited` renamed to `isNotInvited`
+- `isUnkept` renamed to `isNotKept`
+- `isUnpublished` renamed to `isNotPublished`
+- `isUnverified` renamed to `isNotVerified`
+- `isUnarchived` renamed to `isNotArchived`
+- `isOpened` renamed to `isNotClosed`
+- `isUndrafted` renamed to `isNotDrafted`
+- `isUnended` renamed to `isNotEnded`
+- `isUnexpired` renamed to `isNotExpired`
+- `reject` renamed to `undoAccept`
+- `deactivate` renamed to `undoActivate`
+- `disapprove` renamed to `undoApprove`
+- `uninvite` renamed to `undoInvite`
+- `unkeep` renamed to `undoKeep`
+- `unpublish` renamed to `undoPublish`
+- `unverify` renamed to `undoVerify`
+- `unarchive` renamed to `undoArchive`
+- `open` renamed to `undoClose`
+- `undraft` renamed to `undoDraft`
+- `unend` renamed to `undoEnd`
+- `unexpire` renamed to `undoExpire`
+
+These global scopes methods should be renamed:
+
+- `reject` method renamed to `undoAccept`
+- `withRejected` method renamed to `withNotAccepted`
+- `withoutRejected` method renamed to `withoutNotAccepted`
+- `onlyRejected` method renamed to `onlyNotAccepted`
+- `deactivate` method renamed to `undoActivate`
+- `withDeactivated` method renamed to `withNotActivated`
+- `withoutDeactivated` method renamed to `withoutNotActivated`
+- `onlyDeactivated` method renamed to `onlyNotActivated`
+- `disapprove` method renamed to `undoApprove`
+- `withDisapproved` method renamed to `withNotApproved`
+- `withoutDisapproved` method renamed to `withoutNotApproved`
+- `onlyDisapproved` method renamed to `onlyNotApproved`
+- `uninvite` method renamed to `undoInvite`
+- `withUninvited` method renamed to `withNotInvited`
+- `withoutUninvited` method renamed to `withoutNotInvited`
+- `onlyUninvited` method renamed to `onlyNotInvited`
+- `unkeep` method renamed to `undoKeep`
+- `withUnkept` method renamed to `withNotKept`
+- `withoutUnkept` method renamed to `withoutNotKept`
+- `onlyUnkept` method renamed to `onlyNotKept`
+- `unpublish` method renamed to `undoPublish`
+- `withUnpublished` method renamed to `withNotPublished`
+- `withoutUnpublished` method renamed to `withoutNotPublished`
+- `onlyUnpublished` method renamed to `onlyNotPublished`
+- `unverify` method renamed to `undoVerify`
+- `withUnverified` method renamed to `withNotVerified`
+- `withoutUnverified` method renamed to `withoutNotVerified`
+- `onlyUnverified` method renamed to `onlyNotVerified`
+- `unarchive` method renamed to `undoArchive`
+- `open` method renamed to `undoClose`
+- `undraft` method renamed to `undoDraft`
+- `unend` method renamed to `undoEnd`
+- `unexpire` method renamed to `undoExpire`
+
+These events names should be renamed:
+
+- `rejected` model event renamed to `acceptedUndone`
+- `deactivated` model event renamed to `activatedUndone`
+- `disapproved` model event renamed to `approvedUndone`
+- `uninvited` model event renamed to `invitedUndone`
+- `unkept` model event renamed to `keptUndone`
+- `unpublished` model event renamed to `publishedUndone`
+- `unverified` model event renamed to `verifiedUndone`
+- `unarchived` model event renamed to `archivedUndone`
+- `opened` model event renamed to `closedUndone`
+- `undrafted` model event renamed to `draftedUndone`
+- `unended` model event renamed to `endedUndone`
+- `unexpired` model event renamed to `expiredUndone`
+
 ## Upgrading From 2.0 To 3.0
 
 You can upgrade from v2 to v3 by performing these renames in your model that has flags: `Accepted`, `Active` & `Approved`.