Add trace support based on the DEBUG environment variable, switch the verbose flag to set a global, allow verbose to be set via an environment variable
Fix variable assignment
Merge remote-tracking branch 'origin/master' into debug-output

Conflicts:
	Gemfile.lock
Update readme to include a line about the DEBUG env variable and update the verbose line to mention the env variable as well.
Fix line breaks
Merge branch 'master' into debug-output
Fix line breaks in readme
Merge pull request #25 from sportngin/debug-output

Better Debug Support. Commander's default trace behavior is a bit weird.