Release version 1.3.1

New supported sites:

• Danbooru - short origin handle 'DB' — A repository of […] anime-style art

New functionality:

• 'Discovered tags' window is now drag-able (default hotkey Ctrl+Shift+1 resets its position)
• Implemented additional failsafes for when nothing is fetched
• Highlight now switches gradually
• Miltiple spaces (as a result of non-fetched info or mistyped template) are replaced with a single one for the time beeing

Bugfixes:

• All the parsers, including the booru ones, are now remade using the similar template.
• Typos fixed
• Significantly reduced code dupplication
• Deviantart, Pixiv & Tumblr toggle-able highlight fixes