0.3.0

What's Changed

• add bench by @doubleailes in #30
• add gif by @doubleailes in #32
• 35 add a real sample to test many files by @doubleailes in #36
• 37 try to implement threading pool by @doubleailes in #38
• use cache by @doubleailes in #41
• add massive test and optimize for big dataset over 100000 by @doubleailes in #43
• 46 add exr read metadata by @doubleailes in #47
• clean regex string by @doubleailes in #49
• Update README.md by @doubleailes in #51
• add darwin by @doubleailes in #55

Full Changelog: 0.2.0...0.3.0