Merge pull request #52 from peterlee0127/develop

Develop
Merge pull request #53 from peterlee0127/develop

add start comment
Merge pull request #54 from peterlee0127/develop

update Pod, fix LocationDescription
Merge pull request #55 from peterlee0127/develop

Develop
Merge pull request #56 from peterlee0127/develop

fix redirect issue
Merge pull request #57 from peterlee0127/develop

update validator
add UserName
add password length limit