url signature
Merge branch 'master' of https://github.com/YangLei-bjhl/MyIOSLib
APIManager
cfg info
Merge branch 'master' of https://github.com/YangLei-bjhl/MyIOSLib
test
cfg common
Merge pull request #3 from yanxiaoliang-bjhl/master

cfg common
json utils
Merge branch 'master' of https://github.com/YangLei-bjhl/MyIOSLib
Merge pull request #4 from yanxiaoliang-bjhl/master

json utils
json utils
Merge branch 'master' of https://github.com/YangLei-bjhl/MyIOSLib
json utils
Merge pull request #5 from yanxiaoliang-bjhl/master

json utils bug
APIManager
apimanager cancel
Merge branch 'master' of https://github.com/YangLei-bjhl/MyIOSLib
api manger request
request bug