* include/gphoto2-filesys.h:
* libgphoto2/filesys.c: Implement caching for file information.
* tests/test-filesys.c: Test it here.
* camlibs/konica/library.c: Use gp_filesystem_[get,set]_info. This
stuff is really incredibly fast.
git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@2090 67ed7778-7388-44ab-90cf-0a291f65f57c