Change log

v4.3.0.4
 Update LibTourist for correct WotLK dungeon levels
 Fix double display of instances
v4.3.0.3
 Update LibTourist
 Update LibBabble-Zones
v4.3.0.2
 Fix nil errors in v4.3.0.1
v4.3.0.1
 Update LibTourist
 Remove zone levels from world map, now provided by blizzard
 Remove dead code
 Tweak level recommendations for levels below 58
v4.3.0
 Upgrade dependant libraries
 Update TOC for 4.3.0
v4.2.0.1
 Upgrade to latest LibStub so it has 4.2.0 TOC
 Fix loading LibTourist
v4.2.0
 Complete rewrite using LibTourist.  New features such as coordinates for instance entrances added.