Implemented negative filters in back-end, added basic fixed filters settings dialog.

src/navigate.js

@@ -9,7 +9,9 @@ export default function navigate(path, query, options = {}) {
 	}).toString();
 
 	const url = queryString
-		? `${path}?${queryString.replace(/%2C/g, ',')}` // URLSearchParams encodes commas, we don't want that
+		? `${path}?${queryString
+			.replace(/%2C/g, ',') // URLSearchParams encodes commas and colons, we don't want that
+			.replace(/%3A/g, ':')}`
 		: path;
 
 	if (options.redirect) {