v1.2.0

What's Changed

• move ApplicationContext to open source repo by @oathdruid in #28
• add example with bthread by @oathdruid in #30
• Update future.md by @oathdruid in #31
• make ApplicationContext iterable by @oathdruid in #33
• add custom creator support for ReusableManager by @oathdruid in #35

Full Changelog: v1.1.6...v1.2.0