• Adds ability to quickly filter bookmark list by tag. #8.
• Adds ability to edit tags, either by typing or selecting tags from list. #7.
• Adds ability to choose between in-app and external browser when opening bookmarks. #23.
• Adds ability to choose default list view (unread or all). #24.
• Adds ability to quickly copy bookmark URL from the list view (in addition to sharing with title/description). #22.