0.0.4

What's Changed

• chore: clean up obsolete patch file by @myungjin in #19
• misc: Apache 2.0 license update by @myungjin in #20
• feat: concurrent world initialization by @myungjin in #21
• feat: support for more ccl operations by @myungjin in #22
• chore: clean up unnecessary code/files by @myungjin in #23
• release: version bump-up to 0.0.4 by @myungjin in #24

Full Changelog: 0.0.3...0.0.4