setup, lowercase branch was not being set properly due to scope.

setup.sh

@@ -13,6 +13,7 @@ config_dir="/usr/local/etc/hyperling-scm"
 general_config="$config_dir/general.ini"
 workstation_config="$config_dir/workstation.ini"
 server_config="$config_dir/server.ini"
+branch=""
 
 ## Functions ##