Update Quickstart.md

更正某些错别字，或语义不清
Update Quickstart.md

纠偏：从上面的例子中，并不能知道 DelSession(name string) 方法。
bee command
Merge pull request #114 from Xuyuanp/master

bee command
笔误
Merge pull request #115 from Xuyuanp/master

笔误
init orm project, beta, unstable
fix router & tpl tolower
fix router's bug
fix router's /path/
tpl tolower
fix #117
some fix
zh docs update
some change
zh docs update
Refactor template
fix values name
Add template test
Merge pull request #118 from miraclesu/test

Refactor template visit & Add template test