Require XML::LibXML and add libcurl and libxml as requirements in
README.
Add find_connection and remove_connection method.
Rename autoload_connections to load_connections.
Rename autoload_* methods to load_*.
Added restart module. Fixed shutdown to use remove_connection instead of
using the shutdown yield which would just exit and kill all connections.
Use load_connections instead of autoload_connections after the rename.
Rename autoload_modules to load_modules after the rename.
Clear _shutdown method. It will be replaced by remove_connection.
Rename autoload_main_config to load_main_config after rename.
Add core::restart to modules.autoload.conf.