Added Mine & Caverns raise & lower functionality

Added Mine & Caverns raise & lower functionality.  Revamped Level 1 events to match PnP.  Updated Level 1: Core.  Added new Footcatcher trap type. Added Underwater heartbeat to Glop Lake Underwater.  Full compile.

_module/nss/at_give_coins.nss

@@ -0,0 +1,13 @@
+void main()
+{
+    // Get the PC who is in this conversation.
+    object oPC      = GetPCSpeaker();
+    object oSelf    = OBJECT_SELF;
+
+    string sTag 	= GetTag(oSelf);
+
+
+    // Give 2-8 gold to the PC.
+    GiveGoldToCreature(oPC, d6(1)+2);
+    SetLocalInt(oPC, "FoundCoins"+sTag, 1);
+}