Introduce and Use TestExceptionEvent
Move Exception Printing to a Subscriber
Test ExceptionSubscriber
Actually use an appropriate exception for ExceptionSubscriberTest
Introduce StackTraceFilter and AbstractStackTraceFilter
Clean up some misnamed methods
Introduce FirstExternalStackTraceFilter
Use the new StackTraceFilter objects in ExceptionSubscriber
Clean up some test names
Introduce FileStackTraceFilter
Use FileStackTraceFilter in ExceptionSubscriber
Add exception code to print out
Rename `Util` to `StackTrace`

Because `Util` is a shit name.
Merge pull request #17 from chrisguitarguy/pretty_stacktrace

Slightly Prettier Stack Trace Printing on Exception