Changed NPC to use ordered list of targets rather than a random selection, for more predictability during testing.
Combined BlockedLocationTest into WorldServerTest, though I may end up splitting them all into subclasses anyway.  Improved speed of ActorVisibilityTest.
Improved test runtime
Added logger for class.
Added ping timing to tests.
Updated to match new testing database.
Using incrementing test account.
Updated README to include all DB entries.
Improved test logging and speed.
Reduced test timeout to fail faster in event of overshooting location.
Added exception details for incorrectly registered messages.