Prevent the loadingBar from overlaying the errorWrapper
Show sensible output for showText commands in the stepper.
Enable loading of PDFs with undefined or missing stream lengths
Merge pull request #3575 from brendandahl/text-debugger

Show sensible output for showText commands in the stepper.
Merge pull request #3519 from Snuffleupagus/move-errorWrapper-during-load

Prevent the loadingBar from overlaying the errorWrapper
Merge pull request #3576 from Snuffleupagus/undefined-stream-length

Enable loading of PDFs with undefined or missing stream lengths