You can clone with
HTTPS or Subversion.
gzippo requires compress library to be there, not mentioned in dependencies.
(then compress requires these two libraries yum install gcc-c++ zlib-devel if anyone experiences install issues on centos)
Which version of Nodejs are you running? With <= 0.4 compress is defined in the package.json However compress does depend on gcc-c++ zlib-devel and I will add that to the readme!