updated methods name from fetch to get.
remove PIXConstant
Merge branch 'cloud' of github.com:pixnet/pixnet-ios-sdk
Merge branch 'master' of github.com:pixnet/pixnet-ios-sdk
Implement getUserWithUserName
update to nil.
remove remarks
implement getAccountWithCompletion
Pass PixAPIHandler for unit test
Use property to inject PIXAPIHandler for testing
album methods added in PIXNETSDK class.
Finish PIXNETSDK.h/m, and fix a problem in PIXBlog.h/m
remove test folder from ignore.
Add PIXUserTest
Remove unused tests
implement getPIXAPIHandler
add return after completion call
add testAccount method
Add Login View But not Finish