implemented CPCoding support for CPSortDescriptor and made CPTableColumn decode it's _sortDescriptorPrototype

Tools/nib2cib/NSAppKit.j

@@ -67,6 +67,7 @@
 @import "NSViewController.j"
 @import "NSWindowTemplate.j"
 @import "WebView.j"
+@import "NSSortDescriptor.j"
 
 
 function CP_NSMapClassName(aClassName)

Tools/nib2cib/NSSortDescriptor.j

@@ -0,0 +1,35 @@
+@import <Foundation/CPSortDescriptor.j>
+
+@implementation CPSortDescriptor (NSCoding)
+{
+}
+
+- (id)NS_initWithCoder:(CPCoder)aCoder
+{
+    if (self = [super init])
+    {
+        _key = [aCoder decodeObjectForKey:@"NSKey"];
+        _selector = CPSelectorFromString([aCoder decodeObjectForKey:@"NSSelector"]);
+        _ascending = [aCoder decodeBoolForKey:@"NSAscending"];
+    }
+
+    return self;
+}
+
+@end
+
+@implementation NSSortDescriptor : CPSortDescriptor
+{
+}
+
+- (id)initWithCoder:(CPCoder)aCoder
+{
+    return [self NS_initWithCoder:aCoder];
+}
+
+- (Class)classForKeyedArchiver
+{
+    return [CPSortDescriptor class];
+}
+
+@end

Tools/nib2cib/NSTableColumn.j

@@ -53,6 +53,8 @@
 
         _resizingMask = [aCoder decodeBoolForKey:@"NSIsResizeable"] ? CPTableColumnUserResizingMask : CPTableColumnAutoresizingMask;
         _isHidden = [aCoder decodeBoolForKey:@"NSHidden"];
+
+        _sortDescriptorPrototype = [aCoder decodeObjectForKey:@"NSSortDescriptorPrototype"];
     }
 
     return self;