1.4 - Update API endpoint to V2

Update API endpoint

1.31

Added PR for EMAILITWP_VERSION to allow it to be utilised straight away

1.3

V1.3

1. Merged API and SMTP
2. Better Logging
3. textdomain change

1.2.2

• Added ability to hide the admin menu, defining the constant define( 'rup_emailit_hide', true ); will enable you to hide the admin menu once setup
• Undefining it will make it show up again

1.2.1

1.2.1