Turing β-0.11

Fixed

• Fixes for Debian [8baff18]
• Recent articles are loaded on a separate thread to prevent lock [19ad904]
• Modules are loaded asynchronously when program loads [bb5e652]
• Issue #49 (Recent files still appear even if the file doesn't exist) [9aaa596]
• Crash when clearing recent files list on some platforms [a1fdb02]
• Help→Examples is now implemented [9d4ce0b]
• Line numbers in errors [04c96b0]
• Lowered the number of useless parentheses when converting to Python [80193f8]
• Non-ASCII characters can now be used in source strings [e1fc49a]
• Menus are now handled correctly on Linux and macOS [4155aa7]

Added

• matplotlib's plot_axes can now be accessed from inside algorithms using global variable plot [7f4772e]
• Hilbert curve example [051a60a]
• Sierpinsky triangle example [a2f4e68]
• Option for whether to load recent articles on startup [71a7756]