This update includes a few new things, some are in the code to make it more efficient.
What's New:

• Full RGB editor for color and for fade
• Rewrite of entire GUI system but still visually works the same(All behind the scenes).
• Better efficiency in data storage for making fireworks
• Some minor tweaks to some other code.
• An overall smaller jar file size.
• New tutorial youtube video - for 1.5.0