Added a method that logs 500 errors to a file.
Added a method that logs 500 errors to a file.

JorritO/Zeeguu-API-iOS,mircealungu/Zeeguu-API-iOS,JorritO/Zeeguu-API-iOS,JorritO/Zeeguu-API-iOS,mircealungu/Zeeguu-API-iOS,mircealungu/Zeeguu-API-iOS