fix broken usage option
1.1.3
readme
Update README.md
add support for custom command to launch browser, add xdg-open command, add error handling when failing to launch browser
1.1.6
display help on --help not just --usage
1.1.7
fix usage foramtting bug
1.1.8
Update README.md
Update README.md
Merge remote-tracking branch 'upstream/master'

Conflicts:
	README.md
	index.js