added stricter rule to logic that loads field values

Signed-off-by: Elliot Condon <e@elliotcondon.com>
Removed incorrect attributes

Signed-off-by: Elliot Condon <e@elliotcondon.com>
Removed double up attributes

Signed-off-by: Elliot Condon <e@elliotcondon.com>
Added 'new_post' functionality to acf_form

Signed-off-by: Elliot Condon <e@elliotcondon.com>