New: Added the basic protocols CPObject and CPCoding

AppKit/CPResponder.j

@@ -356,7 +356,7 @@ CPDeleteForwardKeyCode  = 46;
 var CPResponderNextResponderKey = @"CPResponderNextResponderKey",
     CPResponderMenuKey = @"CPResponderMenuKey";
 
-@implementation CPResponder (CPCoding)
+@implementation CPResponder (CPCoding) <CPCoding>
 
 /*!
     Initializes the responder with data from a coder.

Foundation/CPObject.j

@@ -67,7 +67,42 @@ CPLog(@"Got some class: %@", inst);
 
 @global CPInvalidArgumentException
 
-@implementation CPObject
+
+@protocol CPObject
+
+- (BOOL)isEqual:(id)object;
+- (CPUInteger)hash;
+
+- (Class)superclass;
+- (Class)class;
+- (id)self;
+
+- (id)performSelector:(SEL)aSelector;
+- (id)performSelector:(SEL)aSelector withObject:(id)object;
+- (id)performSelector:(SEL)aSelector withObject:(id)object1 withObject:(id)object2;
+
+- (BOOL)isProxy;
+
+- (BOOL)isKindOfClass:(Class)aClass;
+- (BOOL)isMemberOfClass:(Class)aClass;
+- (BOOL)conformsToProtocol:(Protocol)aProtocol;
+
+- (BOOL)respondsToSelector:(SEL)aSelector;
+
+- (CPString)description;
+@optional
+- (CPString)debugDescription;
+
+@end
+
+@protocol CPCoding
+
+- (void)encodeWithCoder:(CPCoder)aCoder;
+- (id)initWithCoder:(CPCoder)aDecoder;
+
+@end
+
+@implementation CPObject <CPObject>
 {
     Class   isa;
 }