Basic support for UNDO

Registered by Jonathan Thomas

We need to have some basic UNDO functionality in OpenShot. Here are the operations we should track for UNDO:
1) Adding / Removing Clips
2) Moving Clips
3) Trimming Clips
4) Adding / Removing Transitions
5) Moving Transitions

Blueprint information

Status:
Complete
Approver:
Jonathan Thomas
Priority:
Low
Drafter:
Jonathan Thomas
Direction:
Approved
Assignee:
Jonathan Thomas
Definition:
Approved
Series goal:
None
Implementation:
Implemented
Milestone target:
None
Started by
moimael
Completed by
moimael

Whiteboard

(?)

Work Items

This blueprint contains Public information 
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