Changes between 0.1.7 and 0.1.8
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* Rework of the screenshot comparison algorithm
* Add screenshot upload for testing purposes
* Crash fix

Changes between 0.1.6 and 0.1.7
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* Fix freezes on some devices
* Layout tweeks

Changes between 0.1.5 and 0.1.6
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* Block rotation during file download
* Various text changes
* Fix crash on weak devices
* Add onboarding
* Add progress dialog when uploading results
* Add TV support