user actions

Number of APIs: 2

1. get_user_count POST {{pgbc_server}}/cgi-bin/pgbc_api/get_user_count?username={{block_user}}&password={{block_user_password}}

2. modify_user POST {{pgbc_server}}/cgi-bin/pgbc_api/add_user?username={{block_user}}&password={{block_user_password}}&newuser={{$randomFirstName}}&newuserpassword=password