Changes to GET /courses

for the query request parameter limit, the max was decreased from 1000.00 to 100.00

added the optional property items/average_gpa to the response with the 200 status

for the query request parameter reviews, default value false was added

for the query request parameter reviews, default value false was removed

removed the optional property items/average_gpa from the response with the 200 status

for the query request parameter limit, the max was increased from 100.00 to 1000.00