Changes

• Refactored the way that generic progress dialogs behave.

Fixes

• Attempted to fix an issue where SGPro might crash on target import.
• Fixed an issue where background loading of new targets may not start properly after import.
• Fixed an issue where rendering the status bar might cause a memory leak.
• Fixed an issue where the initial sequence would open in an unsaved state.
• Fixed some issue with the SGPro caching layer that may cause the UO to render odd artifacts (like a red X)