v1.6.3

• update readme 9c5b5d7
• don't try and delete heroku config vars (#33) b8a7a83
• Bump word-wrap from 1.2.3 to 1.2.4 (#36) dcd402d
• Bump decode-uri-component from 0.2.0 to 0.2.2 (#28) f93f7fe

v1.6.2...v1.6.3