* add dev version * Update version.go * Update version.go
* remove go1.6 support * remove build tag * remove todo * remove go1.6 support: https://github.com/gin-gonic/gin/pull/1383/commits * update readme * remove go1.7 support * fix embedmd error * test * revert it * revert it * remove context_17 * add pusher test * v1.4.0 rc1
* chore: add a version file includes gin version * update version for dev version