Fix issue #125 wsl_store_hybridauth_user_profile
Fix issue #125 wsl_store_hybridauth_user_profile

Changes default value for `id` column from `'null'` to `null` to match the database schema for the associated table.
NickIvanter/wordpress-social-login,miled/wordpress-social-login,miled/wordpress-social-login,NickIvanter/wordpress-social-login,NickIvanter/wordpress-social-login,NickIvanter/wordpress-social-login,miled/wordpress-social-login,miled/wordpress-social-login