PicView 1.7.1

What's Changed

• Fixed incorrect image size from first time loading when using resize-able window
• Fixed loading wrong files when changing folder
• Fixed the top buttons background color missing after mouse-over
• Fixed unresponsive behavior when using batch functions
• Updated Korean translation by @VenusGirl in #93
• Changed window centered behavior to default to vertical centering
• Fixed the update button not working

Full Changelog: 1.6.6...1.7.1