Go 1.14 релиз

Вышла новая версия Go 1.14 подробнее https://blog.golang.org/go1.14

Основные особенности:

1. Module support in the go command is now ready for production use. We encourage all users to migrate to go modules for dependency management.
2. Embedding interfaces with overlapping method sets
3. Improved defer performance
4. Goroutines are asynchronously preemptible
5. The page allocator is more efficient
6. Internal timers are more efficient