New unit: Drake Worker. Level from Slave.

data/units/Drake_Slave.cfg

@@ -9,8 +9,7 @@ movement=5
 experience=38
 level=1
 alignment=neutral
-advanceto=null
-#advanceto=Drake Worker
+advanceto=Drake Worker
 cost=16
 usage=fighter
 unit_description=""

data/units/Drake_Worker.cfg

@@ -0,0 +1,38 @@
+[unit]
+name=Drake Worker
+race=drake
+image=drake-worker.png
+image_defensive=drake-worker-defend.png
+hitpoints=47
+movement_type=drakefoot
+movement=5
+experience=500
+level=2
+alignment=neutral
+advanceto=null
+cost=24
+usage=fighter
+unit_description=""
+get_hit_sound=groan.wav
+	[attack]
+	name=claws
+	type=blade
+	range=short
+	damage=7
+	number=4
+		[frame]
+		begin=-200
+		end=-50
+		image=drake-worker-attack1.png
+		[/frame]
+		[frame]
+		begin=-50
+		end=100
+		image=drake-worker-attack2.png
+		[/frame]
+		[sound]
+		time=-150
+		sound=sword-swish.wav
+		[/sound]
+	[/attack]
+[/unit]