Creator
=======
Wei-Chen Chen

Authors
=======
Wei-Chen Chen
Drew Schmidt
Christian Heckendorf (file transfer)
George Ostrouchov (Mac OSX),

Contributors
============
Whit Armstrong (some functions are modified from the rzmq package for backwards compatibility)
Brian Ripley (C code of shellexec, and Solaris)
R Core team (some functions are modified from the R source code)
Philipp A. (Fedora)