Log Message:
Updated to 4.020

Changes:

2011-08-15 Patrick Galbraith <patg at patg dot net> (4.020)
* Numerous (!! Thank you!!) fixes for prepared statements: Masahiro Chiba \ 
<nihen at megabbs
dot com>
	- Chop blanks fixed
	- UTF8 improvements
	- fixed memory allocation for BLOBs
	- auto-reconnect
* Fix in leak test, which failed sometime due to first assignment $prev_size over
paging (Masahiro Chiba)
* Catalog test allows use of schemas other than 'test' (Masahiro Chiba)
* Documentation fix for auto_reconnect (Karen Etheridge <ether at cpan dot
org>)
* Win32 and general installation fixes (Alexandr Ciornii, http://chorny.net)