add whoid usergroupset comment query to bug data fields
add AppendComment function
add CanChangeField function to check if a person can change a field
add display() for quick dumps of the bug
add Collision to check for midair collisions before changing a bug
added a stub function for changing a bug in the database
init_bug will now take either a userid or an e-mail address as a valid parameter
git-svn-id: svn://10.0.0.236/trunk@73346 18797224-902f-48f8-a5cc-f745e15eee43
943388e1b3