Fall back from a failed traceback to using the standard exception methods in instances where there is no file or line associated with an exception (such as PDO errors).
Fall back from a failed traceback to using the standard exception methods in instances where there is no file or line associated with an exception (such as PDO errors).

Also fixed several instances of = snubbery.

git-svn-id: d0e296eae3c99886147898d36662a67893ae90b2@1938 653ae4dd-d31e-0410-96ef-6bf7bf53c507

dragonmantank/Habari,dragonmantank/Habari,dragonmantank/Habari