Fix image output.

Show the image saving progress.

Fix the blocks_amount function.

Use the TaskFSRCNN margin to calculate amount of blocks.

Add the block margin property to TaskFSRCNN.

Fix some warnings.

Fix TaskConvertColorSpace.

Improve error handling.

Add error handling for unreadable files.

Generate the input/output wildcard at runtime.

Fix tooltips and shortened file paths for reselected input/output files.

Adapt the calculation functions to work with the new FSRCNNs.

Add new x5 FSRCNNs.

Remember to return the default QStackedWidget index.

Separate size multiplier and architecture.