This is Perl module Ukigumo::Common.
INSTALLATION
Ukigumo::Common installation is straightforward. If your CPAN shell is set up,
you should just be able to do
% cpan Ukigumo::Common
Download it, unpack it, then build it as per the usual:
% perl Makefile.PL
% make && make test
Then install it:
% make install
DOCUMENTATION
Ukigumo::Common documentation is available as in POD. So you can do:
% perldoc Ukigumo::Common