allow toV2() to specify the class in order to allow sub- classes of PEAR_PackageFile_v2 to be used
allow toV2() to specify the class in order to allow sub-
classes of PEAR_PackageFile_v2 to be used


git-svn-id: 4b064e69dc630d28214c1e1442d27300cccf8e9a@186628 c90b9560-bf6c-de11-be94-00142212c4b1

DQNEO/PEAR_Exception