Antimony 0.7.4

Features:

• User-defined script directories can be arbitrarily nested.
• Sort user-defined scripts by filename.
• Remove limits on output size.
• Add real-world units to export dialog box (.png only).
• Many more nodes ported from fabserver (thanks, Neil!).
• Dynamically re-order data values in node inspector.
• Window title reflects window type.
• Adding str type input for scripts.
• Axes are synchronized in quad view mode.

Bugfixes:

• Fixed crash due to decreasing borrowed reference.
• Improved highlighting and selection of bezier connections.
• Fixed crash related to serialization of scripts with errors.