v0.0.4a

What's Changed

• Update gui.py by @CaptainStabs in #7
• Fix dates by @CaptainStabs in #10
• Docstrings added
• Unsafe mode (disable exit button) added (--unsafe flag)
• Updated readme to reflect this
• Fix @GameDevKitY's credit card validation logic
• Replaced dateutil with datetime to prevent 4 digit dates being interpreted as years + added comment
• Moved app icon (used for building) into images folder

Full Changelog: v0.0.4...v0.0.4a