Clean up some code, remove debug messages

diff --git a/MapUtils.lua b/MapUtils.lua
index cc68db7..e87063f 100644
--- a/MapUtils.lua
+++ b/MapUtils.lua
@@ -46,7 +46,7 @@ function addon:GetVector(sm, sf, sx, sy, dm, df, dx, dy)
             end
         elseif astrolabe then
             local dist, xd, yd = astrolabe:ComputeDistance(sm, sf, sx, sy, dm, df, dx, dy)
-            local angle = GetDirection(xd, yd)
+            local angle = getDirection(xd, yd)
             if dist and angle then
                 return dist, angle
             end
@@ -58,7 +58,7 @@ function addon:GetVector(sm, sf, sx, sy, dm, df, dx, dy)

         if mapdata then
             local dist, xd, yd = mapdata:DistanceWithinContinent(sm, sf, sx, sy, dm, df, dx, dy)
-            local angle = GetDirection(xd, yd)
+            local angle = getDirection(xd, yd)
             if dist and angle then
                 return dist, angle
             end
@@ -83,6 +83,7 @@ function addon:GetPlayerPosition()
     local x, y = GetPlayerMapPosition("player")
     if x and y and x > 0 and y > 0 then
         local map, floor = GetCurrentMapAreaID()
+        floor = floor or self:GetDefaultFloor(map)
         return map, floor, x, y
     end

@@ -105,6 +106,7 @@ function addon:GetPlayerPosition()

     -- Fetch the map and floor and return the information that we have
     local map, floor = GetCurrentMapAreaID()
+    floor = floor or self:GetDefaultFloor(map)
     return map, floor, x, y
 end

@@ -114,7 +116,7 @@ end
 function addon:GetVectorFromCurrent(map, floor, x, y)
     local cmap, cfloor, cx, cy = self:GetPlayerPosition()

-    if map and floor and x and y then
+    if cmap and cx and cy and map and x and y then
         return self:GetVector(cmap, cfloor, cx, cy, map, floor, x, y)
     end
 end
@@ -175,3 +177,8 @@ function addon:GetNumMapFloors(map)
         return floors
     end
 end
+
+function addon:GetDefaultFloor(map)
+    local floors = self:GetNumMapFloors(map)
+    return floors == 0 and 0 or 1
+end
diff --git a/TomTomLite.lua b/TomTomLite.lua
index 37cb0d7..705ae1a 100644
--- a/TomTomLite.lua
+++ b/TomTomLite.lua
@@ -96,6 +96,11 @@ function addon:CreateCrazyArrow(name, parent)
         local map, floor, x, y = unpack(self.waypoint)
         local distance, angle = addon:GetVectorFromCurrent(map, floor, x, y)

+        -- Bail out if we don't know what to do!
+        if not distance or not angle then
+            return
+        end
+
         local facing = GetPlayerFacing()
         local faceangle = angle - facing

@@ -216,7 +221,7 @@ function addon:AddWaypoint(map, floor, x, y, opt)
     assert(type(y) == "number")

     if floor == nil then
-        floor = addon:GetNumMapFloors(map)
+        floor = addon:GetDefaultFloor(map)
     end

     local waypoint = {map, floor, x, y}
@@ -255,12 +260,12 @@ end
 -------------------------------------------------------------------------]]--
 function addon:TOMTOMLITE_WAYPOINT_ADDED(msg, waypoint, ...)
     self:FireMessage("TOMTOMLITE_WAYPOINTS_CHANGED")
-    self:Printf("Waypoint '%s' added at %.2f, %.2f", waypoint.title, waypoint[3], waypoint[4])
+    --self:Printf("Waypoint '%s' added at %.2f, %.2f", waypoint.title, waypoint[3], waypoint[4])
 end

 function addon:TOMTOMLITE_WAYPOINT_DELETED(msg, waypoint, ...)
     self:FireMessage("TOMTOMLITE_WAYPOINTS_CHANGED")
-    self:Printf("Waypoint '%s' REMOVED at %.2f, %.2f", waypoint.title, waypoint[3], waypoint[4])
+    --self:Printf("Waypoint '%s' REMOVED at %.2f, %.2f", waypoint.title, waypoint[3], waypoint[4])
 end

 function addon:TOMTOMLITE_WAYPOINTS_CHANGED(msg, ...)