Create ver 1 for unit testing create user function
Update validate for username and password not contain special characters
Update  API_Spec for validate special data in username and password
Update API Design and unit testting code for create user ver 1
Remove Unit testing for create_user_not_ok
Config db test change to blog_test
Update lasted unittesting code for create user
Merge pull request #6 from lam-vy-mulodo/UNIT_TESTING_18320_CREATE_USER_ACCOUNT

 UNIT_TESTING_18320_CREATE_USER_ACCOUNT