Prevented user-created dependency loops when setting effects as calclations

rpg-docs/lib/functions/evaluate.js

@@ -24,7 +24,7 @@ evaluate = function(charId, string){
 	} catch(e){
 		console.log(e)
 		return string;
-	}	
+	}
 }
 
 //takes a string with {calculations} and returns it with the results 

rpg-docs/lib/functions/placeCaretAtEnd.js

@@ -0,0 +1,18 @@
+placeCaretAtEnd = function(el) {
+	el = el.get(0); //jquery element -> DOM element
+    el.focus();
+    if (typeof window.getSelection != "undefined"
+            && typeof document.createRange != "undefined") {
+        var range = document.createRange();
+        range.selectNodeContents(el);
+        range.collapse(false);
+        var sel = window.getSelection();
+        sel.removeAllRanges();
+        sel.addRange(range);
+    } else if (typeof document.body.createTextRange != "undefined") {
+        var textRange = document.body.createTextRange();
+        textRange.moveToElementText(el);
+        textRange.collapse(false);
+        textRange.select();
+    }
+}