Major update:

Add new features to claim and unclaim.
Sort help from a-z.
Sort functions into diff lua files.

power_events.lua

@@ -0,0 +1,81 @@
+function factions.increase_power(name, power)
+	local faction = factions.factions.get(name)
+	
+    faction.power = faction.power + power
+	
+    if faction.power > faction.maxpower  - faction.usedpower then
+        faction.power = faction.maxpower - faction.usedpower
+    end
+	
+	for i in pairs(factions.onlineplayers[name]) do
+		updateHudPower(minetest.get_player_by_name(i), faction)
+	end
+    
+	factions.factions.set(name, faction)
+end
+
+function factions.decrease_power(name, power)
+    local faction = factions.factions.get(name)
+	
+	faction.power = faction.power - power
+	
+	for i in pairs(factions.onlineplayers[name]) do
+		updateHudPower(minetest.get_player_by_name(i), faction)
+	end
+    
+	factions.factions.set(name, faction)
+end
+
+function factions.increase_maxpower(name, power)
+    local faction = factions.factions.get(name)
+	
+	faction.maxpower = faction.maxpower + power
+	
+	for i in pairs(factions.onlineplayers[name]) do
+		updateHudPower(minetest.get_player_by_name(i), faction)
+	end
+    
+	factions.factions.set(name, faction)
+end
+
+function factions.decrease_maxpower(name, power)
+    local faction = factions.factions.get(name)
+	
+	faction.maxpower = faction.maxpower - power
+	
+    if faction.maxpower < 0. then -- should not happen
+        faction.maxpower = 0.
+    end
+	
+	for i in pairs(factions.onlineplayers[name]) do
+		updateHudPower(minetest.get_player_by_name(i), faction)
+	end
+	
+	factions.factions.set(name, faction)
+end
+
+function factions.increase_usedpower(name, power)
+	local faction = factions.factions.get(name)
+
+    faction.usedpower = faction.usedpower + power
+	
+	for i in pairs(factions.onlineplayers[name]) do
+		updateHudPower(minetest.get_player_by_name(i), faction)
+	end
+	
+	factions.factions.set(name, faction)
+end
+
+function factions.decrease_usedpower(name, power)
+   local faction = factions.factions.get(name)
+   
+   faction.usedpower = faction.usedpower - power
+    if faction.usedpower < 0. then
+        faction.usedpower = 0.
+    end
+	for i in pairs(factions.onlineplayers[name]) do
+		updateHudPower(minetest.get_player_by_name(i), faction)
+	end
+	
+	factions.factions.set(name, faction)
+end