Made Environment Lighting Editor reset the form values when moving to a DZS/DZR that was missing that chunk.
Enabled the Add/Delete buttons in the Environment Lighting Editor UI.
Added Add/Delete functionality to the Envr group.
Added Add/Remove functionality to the remaining sections in the Environment Lighting Editor.
Added an overrun check to Helpers.cs that will allow a few malformed DZS/DZR files to load.
Added the ability to remove all chunks of a type from a ZArchive.
Added the ObjectExtensions class to provide deep-copy of objects.
Added (untested) saving to Environment Light Editor.
Added a "Save Changes" warning on Environment Lighting Editor. Known issue: Data gets marked as changed more often than it should but oh well.
Fixed Deep Copying the ZeldaData for the ELE destroying the old Parent Archive ref and thus making us save our changes to the wrong Archive.
Fixed removing all of a Envr/Colo/etc. chunk not resetting the form values to their defaults.
Made Editor select the first Room/Stage's entity file when the FileBrowser view was reloaded.