added doxygen, dpfp, msvc, and xusb stuff to gitignore
diff --git a/.gitignore b/.gitignore
index b291a8d..d382111 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,10 +21,20 @@
 config.status
 config.sub
 *.swp
+doxygen.cfg
 lsusb
+xusb
 dpfp
+dpfp_threaded
+.exe
 *.pc
 fpusb-*.tar.bz2
 fpusb-*.tar.gz
 ChangeLog
 doc/html
+*.plg
+*.ncb
+*.opt
+Debug
+Release
+*.user