Add a option to remember OpenHashTab window size and position

[ggbbrr]

I'm not sure if this option already exists, anyway I cannot find the option, so ...

Every time the OpenHashTab window opens I have to move and resize the window. For example, I prefer the window in the center of the screen.

Please add a option to remember OpenHashTab window size and position.

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Also I would a option to somehow highlight files with the same hash value. Suppose I have files a.txt, a-copy.txt, b.txt ; a-copy is a duplicate of a. When I send these files to OpenHashTab, the lines with a.txt and a-copy.txt should be highlighted - maybe with the same background color for those lines. I use OpenHashTab mainly to check for duplicate files, BTW. See attached pic for a example.