str::from_utf8() now returns an Option
"do" is gone
Merge pull request #25 from jedisct1/erickt-rebase

Minor changes for rust -master
change Makefile to use rustc directly
- fixed examples use of "extern mod" which is now "extern crate"
- also, changed println to println!
- removal of ptr::to_unsafe_ptr
- fixed "extern mod"
- changed crate name to zmq (extern mod rust-zmq doesn't work?)
fixed travis config
Merge pull request #26 from buster/master

Fix for current master
Add MIT/ASL2 license
Update to rust 0.10-pre (37903c)