What's Changed

• [brittle-star] set arm and disk density based on literature, fixing #49 by @driesmarzougui in #50
• [brittle-star] increased default joint armature and damping by @driesmarzougui in #50
• [brittle-star] decreased default joint ROMs by @driesmarzougui in #50
• [brittle-star] decreased default actuator strength by @driesmarzougui in #50
• bump to v0.4.0 by @driesmarzougui in #51

Full Changelog: v0.3.9...v0.4.0