Version 2.0

This release comes with many new features, including:

• Viewing more than one page at once on the screen
• Web hyperlink support
• Password protected documents
• Rotation agnostic text selection
• Tabs can be detached into another window and reattached into other windows
• Find all (forward, backward, bidirectional)
• Switched from poppler-cpp to poppler-qt for cleaner codebase
• Many more bug fixes and improvements