Added ConnectionPool::size(), so a subclass can find the current pool size and thus make decisions about creating more connections.
Added ConnectionPool::size(), so a subclass can find the current pool
size and thus make decisions about creating more connections.


git-svn-id: 1a57124bbb9aca193a920d0ffd753d488afb922b@2253 5946f024-35f4-0310-b1b3-9a3be3380cfb

veprbl/mysqlpp,veprbl/mysqlpp,veprbl/mysqlpp