XAPool - XAPool is Another Pool !

GenericPool:

ChangeLog:
1.2.2:
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- removed the limit for used objects inside the same transaction (limit was 100)
- fixed a bug in the XADataSource object, to check if the current connection
  is not already in the freeConnection Vector (bug #319)
- fixed a bug when the pool size decreased and connection lifetime is
  reached. This bug appears when the pool activity is not important, and
  the number of used connections is lesser than the max size of the pool.
- switch to off the boolean status of the pool

1.2.1:
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- added a console appender to the log4j configuration file, to 
  log with the complete name (org.enhydra.jdbc.xapool)
- fixed a bug when using multiple connection inside 
  the same transaction
- changed the logger name xapool, and now use the complete name
  org.enhydra.jdbc.xapool

1.2:
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- bug fixes in JNDI mechanism
- added logs with commons-logging
- added several examples


1.1:
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This version includes major changes, and correct a lot of bugs. 
Main changes are:
- AutoCommit value is now saved before the begin of the 
  transaction and restored to the commit or rollback of the 
  transaction
- when no transaction is defined, and the AutoCommit flag sets 
  to false, when the user calls close() on the connection, the 
  connection is rollbacked
- fixed bug when the connection is opened before the begin 
  of the transaction and close after the commit or rollback 
  (connection enrolled a posteriori)
- fixed bugs in the cache prepared statement mechanism
- added commons logging to log inside XAPool
- added 5 more examples (tests) to demonstrate 
  the XAPool functionalities