Access raw google app engine logs
Demp:
http://gaelogapp.appspot.com/
View raw logs
Only last log entry
Limit to 100 log entries
Specify end date (20140404)
Specify end time
Specify end time and count
Specify start time and count
Specify start date and count
Specify start and end date
Reference documentation:
RequestLog class
Sources:
Sources at GitHub