0.4.7

Fixed bugs:

• [Bug] maxsize not being respected for thread.map #64

Closed issues:

• maxsize not being respected for process.map #55

Merged pull requests:

• lock-namespace #69 (cgarciae)
• Fix maxsize in process, task and thread #66 (charlielito)
• Update bug_report.md #65 (charlielito)
• fix/ci #62 (cgarciae)
• Update advanced.md #57 (isaacjoy)
• Re-export to_iterator #35 (PromyLOPh)