Adds sharp and edge flags to appropriate items

Went through as many /obj/item/weapons as I could find and added sharp
and edge flags where appropriate.

code/modules/mining/mine_items.dm

@@ -190,6 +190,7 @@ proc/move_mining_shuttle()
 	attack_verb = list("hit", "pierced", "sliced", "attacked")
 	var/drill_sound = 'sound/weapons/Genhit.ogg'
 	var/drill_verb = "picking"
+	sharp = 1
 
 	var/excavation_amount = 100