modified MustBeRethrown to include configuration exceptions; updated the parsecondition test for unknown function to expect a configuration exception
Added rethrow logic to SingleCallContinuation exceptionhandler. Modified Target.cs to rethrow runtime exceptions if enabled. Added unit test for OneTimeOnlyExceptionInHandler with logmanager.throwexception enabled
Merge branch 'FixRuntimeExceptionSwallowing'
Merge pull request #163 from johnrey1/master

#110 Exceptions swallowed in custom target