removed hard coded staging and production branch
moved commands to yml file
upgrading to 0.0.3
updated gemspec with homepage url
do hard push only when explicitly asked
add callbacks feature
no line break
fix typo
support for before every install
add public_url configuration
use open not heroku open
more debug info
more debugging info
compacts commands
upgrade the version
updated readme
setup app_url
general refactoring
removed debugger
add only non empty string