Added the mod dry_acid.js

Adds a new elements and modifies a few.

mods/dry_acid.js

@@ -0,0 +1,34 @@
+elements.dry_acid = {
+    name:"Anhydrous acid",
+    desc:"It's pretty much just acid without water in it.",
+    color: ["#62e36f", "#a5d9aa", "#b3c9b6"],
+    behavior: behaviors.POWDER,
+    category: "powders",
+    state: "solid",
+    reactions: {
+        "water": { elem1:"dry_acid", elem2:"acid", temp2:37.22},
+        "dirty_water": { elem1:null, elem2:"acid", temp2:37.22}
+    },
+    density: 1.522
+}
+
+if (elements.acid) {
+    if (!elements.acid.ignore) {
+        elements.acid.ignore = [];
+    }
+    elements.acid.ignore.push('dry_acid');
+}
+
+// Ensure the reactions object exists for the element
+if (!elements.acid.reactions) {
+    elements.acid.reactions = {};
+}
+
+// Add the new reaction
+elements.acid.reactions["dirty_water"] = {
+    elem1: "acid", // What this element turns into
+    elem2: "acid", // What the other element turns into
+}
+
+delete elements.acid.reactions.water
+delete elements.water.reactions.acid