Version 0.4.0

What's Changed

• Report RC code when MMC returns error. by @jealous in #59
• Download float cli from op-center. by @jealous in #60
• Try the best to fix s3 options. by @jealous in #61
• sync the float binary. by @jealous in #62
• Add multiple enhancements. by @jealous in #64
• Allow user to omit credentials. by @jealous in #65
• Trim extra characters in image. by @jealous in #66
• Add max cpu and memory factor support. by @jealous in #67
• Add job kind tag to identify the kind of the job. by @jealous in #68

Full Changelog: 0.3.1...0.4.0