add trailing newline to Prmd::Schema#to_s
add trailing newline to Prmd::Schema#to_s

progrium/prmd,junya-i/prmd,shopkeep/prmd,interagent/prmd,junya-i/prmd,robhurring/prmd,araines/prmd,uberjay/prmd,michaelsauter/prmd,hmac/prmd,hx/prmd,niaeashes/prmd,interagent/prmd,mlr/prmd,ruprict/prmd,MobileDevHQ/prmd,michaelsauter/prmd,araines/prmd,uberjay/prmd,hx/prmd,shopkeep/prmd,mlr/prmd,niaeashes/prmd,IceDragon200/prmd,mykecameron/prmd,mykecameron/prmd,hmac/prmd,MobileDevHQ/prmd,ruprict/prmd,robhurring/prmd,IceDragon200/prmd