- Fix up keywords:   . Remove PHP-specific isset / unset / namespace   . Remove XP Framework-specific cast()   . Add "as" and "clone"
- Fix up keywords:
  . Remove PHP-specific isset / unset / namespace
  . Remove XP Framework-specific cast()
  . Add "as" and "clone"

git-svn-id: 526f3b90ad6d9b1dfe840af828070ca3d99521ac@13881 d2cacbed-c0f6-0310-851a-9dad52fc623a

johannes85/core