v0.3.3

Updates

v0.3.3

• Add documentation on environment variables.

Available Environment Variables

• HEROKU_TOOL_APP_1: The default Heroku app name used when no options are provided.
• HEROKU_TOOL_APP_2: The Heroku app name used when -i 2 is specified.
• HEROKU_TOOL_APP_3: The Heroku app name used when -i 3 is specified.

Full Changelog: v0.3.2...v0.3.3