use native assert.strictEqual
log rotation: listen for input and output stream errors when gzipping

closes #11
Release 0.2.2
fix syntax error in README. closes #12
switch license to MIT
Fix a minor typo
test with node.js 0.9.2
add travis ci
update travis ci
test makes less assumptions about where node binary is
travis: specify the node binary location
update README
more robust test - wait for close event, not exit
remove travis ci. log rotation test is too fragile.
remove dependency on fs-extra
update the git repo in package.json
make test less fragile
Revert "remove travis ci. log rotation test is too fragile."

This reverts commit b59f23db4f9808d0a7add90b828b7cf2a8305571.
Release 0.2.3
add authbind tip to readme