issue-16 forgot to commit crucial change to SOQLUtils

Author: James Simone

src/classes/SOQLUtils.cls

@@ -8,8 +8,8 @@ public without sharing class SOQLUtils {
 
     public static String toSOQLString(Object value) {
         if(value == null) return null;
-        else if(value instanceof DateLiteralConstant) {
-            DateLiteralConstant dateLiteral = (DateLiteralConstant) value;
+        else if(value instanceof DateLiterals) {
+            DateLiterals dateLiteral = (DateLiterals) value;
             return dateLiteral.value;
         }
         else if(value instanceof Boolean) return String.valueOf((Boolean)value);