Fixed autoconf warnings for v2.68, added zipios-config.h.in, also added .gitignore for autoconf build files
Added pkgconfig file for cleaner building on OSX, incremented version to 1.5.9.1 to differentiate this hacked up version from the original, switched changelog command to 'git log'
Added various patches from debian distribution of zipios++ (0.1.5.9+cvs.2007.04.28-5.1) see: http://ftp.de.debian.org/debian/pool/main/z/zipios++/zipios++_0.1.5.9+cvs.2007.04.28-5.1.diff.gz