Production changes
Merge branch 'master' of https://github.com/Linux-cpp-lisp/simple-ios-sms-verification-backend

Merging bug fix.
Merge branch 'master' of https://github.com/Linux-cpp-lisp/simple-ios-sms-verification-backend
Merge branch 'master' of https://github.com/Linux-cpp-lisp/simple-ios-sms-verification-backend
Merge branch 'master' of https://github.com/Linux-cpp-lisp/simple-ios-sms-verification-backend
Merge branch 'master' of https://github.com/Linux-cpp-lisp/simple-ios-sms-verification-backend
Merge branch 'master' of https://github.com/Linux-cpp-lisp/simple-ios-sms-verification-backend