BUG fix in parameter validation of DateTimeFromString.

BUG fix in SortList function return value.

src/VersionInfo.cs

@@ -22,7 +22,7 @@ namespace MicrosoftServices.IdentityManagement.WorkflowActivityLibrary
         ///      Build Number (MMDD)
         ///      Revision (if any on the same day)
         /// </summary>
-        internal const string Version = "2.17.0716.0";
+        internal const string Version = "2.17.0927.0";
 
         /// <summary>
         /// File Version information for the assembly consists of the following four values:
@@ -31,6 +31,6 @@ namespace MicrosoftServices.IdentityManagement.WorkflowActivityLibrary
         ///      Build Number (MMDD)
         ///      Revision (if any on the same day)
         /// </summary>
-        internal const string FileVersion = "2.17.0716.0";
+        internal const string FileVersion = "2.17.0927.0";
     }
 }

src/WorkflowActivityLibrary/Common/ExpressionFunction.cs

@@ -2246,7 +2246,7 @@ namespace MicrosoftServices.IdentityManagement.WorkflowActivityLibrary.Common
 
             try
             {
-                if (this.parameters.Count < 1 && this.parameters.Count > 2)
+                if (this.parameters.Count < 1 || this.parameters.Count > 2)
                 {
                     throw Logger.Instance.ReportError(EventIdentifier.ExpressionFunctionDateTimeFromStringInvalidFunctionParameterCountError, new InvalidFunctionFormatException(Messages.ExpressionFunction_InvalidFunctionParameterCountError2, this.function, 1, 2, this.parameters.Count));
                 }
@@ -4903,7 +4903,7 @@ namespace MicrosoftServices.IdentityManagement.WorkflowActivityLibrary.Common
 
                             list.Sort();
 
-                            result = this.parameters[0];
+                            result = list;
                         }
                         else
                         {