Merge pull request swoft-cloud#96 from inhere/master

some modify

modify type

Merge branch 'master' of https://github.com/swoft-cloud/swoft-framework

Merge pull request swoft-cloud#89 from inhere/master

update: add new tag ServerListener, some other update

logger add enable

refactor and add id/isRev/receive

Fix swoft-service-governance requirement, add random balancer select …

…method as defaults

remove swoft/service-governance requirement, temporary use string ins…

…tead of constant

Improve Validator, passing property name now, and use property name i…

…n exception message

fixed missing package and error excepted in unittest