zlib support

src/data/config.txt

@@ -228,3 +228,5 @@
 #--lib-DBus /usr/lib/libdbus-1.so
 #--lib-XFConf /usr/lib/libxfconf-0.so
 #--lib-rpm /usr/lib/librpm.so
+#--lib-imagemagick /usr/lib/libMagickCore-7.Q16HDRI.so
+#--lib-z /usr/lib/libz.so

src/data/help.txt

@@ -119,6 +119,8 @@ Library options: Set the path of a library to load
     --lib-DBus <path>
     --lib-XFConf <path>
     --lib-RPM <path>
+    --lib-imagemagick <path>
+    --lib-z <path>
 
 Module specific options:
     --separator-string <str>:     Set the string printed by the separator module