v4.3.0

What's Changed

• More informative cli message if Docker isnt running by @ImogenBits in #157
• Package multiple programs at once by @ImogenBits in #158
• Add the Improving battle type by @ImogenBits in #159
• Small bug fixes by @ImogenBits in #161
• Docs problem creation by @Benezivas in #160
• Graph utility methods by @ImogenBits in #162
• Version 4.3.0 by @Benezivas in #163

Full Changelog: v4.2.0...v4.3.0