Rename some methods; remove extraneous others

NSData+SA_NSDataExtensions.h

 	null-terminated, the returned pointer will point to bytes managed by a 
 	copy of the receiver (and the bytes of the copy will be null-terminated).
  */
-@property (readonly) const char *SA_terminatedCString;
+@property (readonly) const char *terminatedCString;
 
 /**	Returns data containing the stored bytes as a null-terminated C string
 	(byte array).
 	reference to a fresh copy of the receiver (a copy that contains a 
 	null-terminated byte array, of course).
  */
-@property (readonly) NSData *SA_dataWithTerminatedCString;
-
-/**	Returns the stored bytes as an non-null-terminated byte array.
- 
-	If the stored data was not null-terminated to begin with, the returned 
-	pointer will be a pointer to the bytes managed by the receiver. If the 
-	stored data was null-terminated, the returned pointer will point to bytes
-	managed by a copy of the receiver (and the bytes of the copy will not be 
-	null-terminated; but see NOTE).
- 
-	NOTE: If the receiver's *last* byte is null, the bytes pointed to by the
-	returned pointer will have that null stripped; but if there are any more
-	null bytes prior to that last null, they will remain untouched!
- */
-@property (readonly) const char *SA_unterminatedByteString;
-
-/**	Returns data containing the stored bytes as a non-null-terminated byte 
-	array.
- 
-	If the stored data was not null-terminated to begin with, this method simply
-	returns the receiver. If the stored data was null-terminated, this method 
-	returns a reference to a fresh copy of the receiver (a copy that contains a
-	non-null-terminated byte array, of course; but see NOTE).
- 
-	NOTE: If the receiver's *last* byte is null, the bytes managed by the
-	returned object will have that null stripped; but if there are any more
-	null bytes prior to that last null, they will remain untouched!
- */
-@property (readonly) NSData *SA_dataWithUnterminatedByteString;
+@property (readonly) NSData *dataWithTerminatedCString;
 
 /** Returns an NSData object containing a blank C string (i.e. a byte sequence
 	of length 1, containing the null character '\0').

NSData+SA_NSDataExtensions.m

 	return (((char*) self.bytes)[self.length - 1] == '\0');
 }
 
--(const char *) SA_terminatedCString {
-	return self.SA_dataWithTerminatedCString.bytes;
+-(const char *) terminatedCString {
+	return self.dataWithTerminatedCString.bytes;
 }
 
--(NSData *) SA_dataWithTerminatedCString {
+-(NSData *) dataWithTerminatedCString {
 	if (self.length == 0) {
 		return [NSData dataWithBytes:"\0" 
 							  length:1];
 	}
 }
 
--(const char *) SA_unterminatedByteString {
-	return self.SA_dataWithUnterminatedByteString.bytes;
-}
-
--(NSData *) SA_dataWithUnterminatedByteString {
-	if (self.length == 0 || self.isNullTerminated == NO) {
-		return self;
-	} else {
-		char* unterminated_string_buffer = malloc(self.length - 1);
-		[self getBytes:unterminated_string_buffer length:self.length - 1];
-		
-		return [NSData dataWithBytesNoCopy:unterminated_string_buffer 
-									length:(self.length - 1) 
-							  freeWhenDone:YES];
-	}
-}
-
 +(NSData *) dataWithBlankCString {
 	return [NSData dataWithBytes:"\0" 
 						  length:1];