Merge pull request #50 from Unknwon/master

complete quick start
两个错别字
Merge pull request #51 from jack230230/master

两个错别字
fix #48
fix #16
add pic
fix set cookies many times
fix layout
fix #52
fix bug
improve parseconfig
fix session Secure
update session fix
modify readme
update params
fix the example error
add Destructor func
favicon.ico default deal with static files
add session test & delete readme