add super-fast cache-check first method, for content that should never change add some documentation
add super-fast cache-check first method, for content
that should never change
add some documentation


git-svn-id: 4b064e69dc630d28214c1e1442d27300cccf8e9a@186186 c90b9560-bf6c-de11-be94-00142212c4b1

DQNEO/PEAR_Exception