Release v0.4.0

Release v0.4.0 with changes since v0.3.4

• Release v0.4.0 (Minor) 2c0022d
• Hide excluded rows 55a4014
• Bump express from 4.19.2 to 4.21.0 a3ce4d4
• Filter gap states. 8dd40ff
• Clamp computed world range to absolute range 1ef4e42
• Update time graph navigator on absolute range change 2ea4281
• Throttle fetch requests in time graph chart 5bb8298