Improves CoverNetworkImageView
Refactor CoverNetworkImage and image cache
Fix miscelanea warnings
Fix bug with covers when it returns from reader
Fix reload Manga Library after a server request
Fix not found messages in input search on mangas library
Fix input search spaces in the manga title
Improves DoubleTapTextView automatic behavior for different number of displayed lines (android:lines attribute)
Improve mark page with async task
Improves page listener when a page fails
Add show keyboard automatically when go_to_chapter button is clicked (manga details)
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