Save errors from bot configure page
Rename errors.error to errors.description on database
Merge branch 'master' into change_errors_table
MErge with master and fix conflicts
Migration script to change errors.description size
Bot view receives errorid
Make actual and expected not mandatory
reportError saves the error and GraderBotExcpeption has an error object
Error is not being saved by the grader model anymore
buildError on fixtures class
Add more testing for error model
Fix testing to work with the changes
Remove useless testing
Fix security issue
Refactor killBot
Fix a bug on grader
Refactor grader test and add one more test
Fix style
Fix bug and regression test
Remove useless debugging if