3.0.0-alpha3

• Changed: propertyMap, valueMap and componentMap are now static properties.
• Changed: Component::remove() will throw an exception when trying to a node
  that's not a child of said component.
• Added: Splitter objects are now faster, line numbers are accurately reported
  and use less memory.
• Added: MimeDir parser can now continue parsing with the same stream buffer.
• Fixed: vobjectvalidate.php is operational again.
• Fixed: \r is properly stripped in text values.
• Fixed: QUOTED-PRINTABLE is now correctly encoded as well as encoded, for
  vCards 2.1.
• Fixed: Parser assumes vCard 2.1, if no version was supplied.