Merge pull request #4 from cloudtay/fix-feof-after-close

Fix: prevent fatal error when calling feof after close

style: Use the latest v1.1.x code style standard

Best compatibility with ripple v1.0.5

Merge pull request #1 from BadJacky/feature/connection-hasbody-refactor

Refactor Connection class to use Method enum's hasBody method

Fixed: the long connection judgment