v1.2.2

Features

• Signal event c4ad54d
• Closed event 112aa4a
• Edge-triggered mode 4597a86
• Event priority 112aa4a

Changes

• Remove useless comments
• Add more tests
• Update readme
• More error info

Bugfixes

• Fixed timeout event not trigger
• Fixed syscall.EPOLLET negative on some arcs
• Fixed event heap index uncorrect
• Fixed fd leak