Buffs the fuck out of Changeling Armor

Feedback says it's complete garbage for 2 DNA, so here's some proposed buffs.

Cut the cost in half

Increased the armor values of most the armor types for ling

This probably won't get accepted but at least this PR will get attention drawn to the problem.

code/game/gamemodes/changeling/powers/mutations.dm

@@ -294,7 +294,7 @@
 	desc = "We turn our skin into tough chitin to protect us from damage."
 	helptext = "Upkeep of the armor requires a low expenditure of chemicals. The armor is strong against brute force, but does not provide much protection from lasers. Retreating the armor damages our genomes. Cannot be used in lesser form."
 	chemical_cost = 20
-	dna_cost = 2
+	dna_cost = 1
 	genetic_damage = 11
 	req_human = 1
 	max_genetic_damage = 20
@@ -311,7 +311,7 @@
 	icon_state = "lingarmor"
 	flags = NODROP
 	body_parts_covered = CHEST|GROIN|LEGS|FEET|ARMS|HANDS
-	armor = list(melee = 40, bullet = 20, laser = 30, energy = 13, bomb = 0, bio = 0, rad = 0)
+	armor = list(melee = 70, bullet = 50, laser = 70, energy = 50, bomb = 10, bio = 4, rad = 0)
 	flags_inv = HIDEJUMPSUIT
 	cold_protection = 0
 	heat_protection = 0
@@ -329,7 +329,7 @@
 	desc = "A tough, hard covering of black chitin with transparent chitin in front."
 	icon_state = "lingarmorhelmet"
 	flags = BLOCKHAIR | NODROP
-	armor = list(melee = 40, bullet = 15, laser = 30,energy = 10, bomb = 5, bio = 2, rad = 0)
+	armor = list(melee = 60, bullet = 30, laser = 60, energy = 30, bomb = 10, bio = 4, rad = 0)
 	flags_inv = HIDEEARS
 	flags_cover = HEADCOVERSEYES