An enhanced version of Bookr - PDF/DJVU/TXT reader for PSP

Changelog:
build 2009-07-09
* Fixed an issue of missing the last line in plain text files.

build 2009-07-08
* Compiled/packed with the latest psp toolchain.
* Fixed a bug of crash on pressing square button on the first use.
* Made zooming/rotation faster when Fast Image is enabled (i.e. one of one screen/four screens/full modes.)
* Optimized memory usage. Hence some PDFs with large JPEG2000 pics could be open now.