(fix) Update Makefile/Travis for Cargo.
Merge pull request #19 from iron/fix/pass-with-cargo

(fix) Update Makefile/Travis for Cargo.
(fix) Updated to use new term::WriterWrapper.
Merge pull request #21 from mcreinhard/fix/writerwrapper

(feat) Updated to use new term::WriterWrapper.
(doc) Updated README from template.
(doc) Added basic example and overview to the README.
(doc) Replaced Cargo with Cargo.toml.