upgrade to libzip 1.1.3

README

@@ -35,11 +35,11 @@ LINUX
 
 4) now you just have to include the src folder in your include path and
    link against libzippp.a or libzippp.so (do not forget to also link 
-   against libzip libraries in lib/libzip-1.1.2/lib/.libs/).
+   against libzip libraries in lib/libzip-1.1.3/lib/.libs/).
    An example of compilation with g++:
-   	g++ -I./lib/libzip-1.1.2/lib -I./src \
+   	g++ -I./lib/libzip-1.1.3/lib -I./src \
 		main.cpp libzippp.a \
-		lib/libzip-1.1.2/lib/.libs/libzip.a \
+		lib/libzip-1.1.3/lib/.libs/libzip.a \
 		lib/zlib-1.2.8/libz.a
 
 -------
@@ -54,12 +54,12 @@ WINDOWS
    You should end up with the following structure:
      libzippp/compile.bat
      libzippp/lib/zlib-1.2.8
-     libzippp/lib/libzip-1.1.2
+     libzippp/lib/libzip-1.1.3
 
    zlib: http://zlib.net/zlib128.zip
-   libzip: http://www.nih.at/libzip/libzip-1.1.2.tar.gz
+   libzip: http://www.nih.at/libzip/libzip-1.1.3.tar.gz
 
-2) extract the file lib/libzip-1.1.2-windows-VS2012-patch.zip. This file contains 
+2) extract the file lib/libzip-1.1.3-windows-VS2012-patch.zip. This file contains 
    changes to be done in libzip in order to compile successfully with Visual 
    Studio 2012. Simply accept the erasing of the files.