A collection of assorted categories to common Cocoa Touch classes


 * UIColor+ColorFromString

   Adds a class method to UIColor for creating UIColor objects from a string

   + (UIColor *)colorFromString:(NSString *)string;
   Class method that returns a color object based on the RGBA components
   specified as a comma-separated string of decimal (0.0 to 1.0) values, 
   eg. @"0.5, 0.5, 0.5, 1.0" for 100% opaque gray


 * UITextView+RoundedCorners

   Adds an instance method to UITextView to toggle rounded corners appearance

   - (void)setRoundedCorners:(BOOL)rounded;
   Instance method to specify if the receiver should draw itself with rounded
   corners and a border


 * NSValue+CLLocationCoordinate2D

   Adds methods to NSValue to represent geographical coordinate information 
   using an NSValue object
   
   + (NSValue *)valueWithCLLocationCoordinate2D:(CLLocationCoordinate2D)coordinate;
   Creates and returns a value object that contains the specified coordinate
   structure
   
   - (CLLocationCoordinate2D)CLLocationCoordinate2DValue
   Instance method that returns a coordinate structure representing the data
   in the receiver


 * UIWebView+ContentHeight

   Adds an instance method to UIWebView that returns the height of its content
   measured in pixels
   
   - (CGFloat)contentHeight;
   Returns the height of the rendered content for the receiver measured in
   pixels