pkg-config 0.16
===

 - Use a search path, rather than a single default directory.
 - Fix a bunch of bugs in glib by backporting
 - More man page fixes
 - Lots of small fixes and cleanups over the place.

pkg-config 0.15
===

 - add PKG_CONFIG_LIBDIR for cross-compiling (David Schleef)
 - add --libs-only-other/--cflags-only-other (Zack Rusin)
 - apply man page fixes (Pter Breitenlohner)
 - C portability fix (David Robins)
 - fix to win32 build (Tor Lillqvist)